2018 in spaceflight

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title: "2018 in spaceflight" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["2018-in-spaceflight", "spaceflight-by-year", "2018-related-lists", "transport-timelines-by-year"] description: "none" topic_path: "sports" source: "https://en.wikipedia.org/wiki/2018_in_spaceflight" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary none ::

::data[format=table title="Infobox Year in spaceflight"]

FieldValue
year2018
image{{Photomontage
photo1aElon Musk's Tesla Roadster (40143096241).jpgA mannequin (Starman) in a spacesuit drives a car with the Earth in the background
photo2aPIA22575 IDC Camera First Image.jpgImage of the science deck of the InSight lander, with the Martian landscape in the background
photo2bAsteroid-Bennu-OSIRIS-RExArrival-GifAnimation-20181203.gifAnimation of the rotating asteroid Bennu
photo3aISS-57 EVA (b) Oleg Kononenko.jpgA cosmonaut inspecting the exterior of a spacecraft during a spacewalk; Earth appears in the background
size250
spacing3
colortransparent
color_bordertransparent
captionHighlights from spaceflight in 2018
first8 January
last29 December
total114
success111
failed2
partial1
catalogued112
firstlaunch
maidens{{plainlist
retired{{plainlist
orbital3 (+1 failed)
suborbital1 (private)
totalcrew11 (+2 failed)
EVAs8
firstsublaunch
::

| year = 2018 | image = {{Photomontage| | photo1a = Elon Musk's Tesla Roadster (40143096241).jpgA mannequin (Starman) in a spacesuit drives a car with the Earth in the background | photo2a = PIA22575 IDC Camera First Image.jpgImage of the science deck of the InSight lander, with the Martian landscape in the background | photo2b = Asteroid-Bennu-OSIRIS-RExArrival-GifAnimation-20181203.gifAnimation of the rotating asteroid Bennu | photo3a = ISS-57 EVA (b) Oleg Kononenko.jpgA cosmonaut inspecting the exterior of a spacecraft during a spacewalk; Earth appears in the background | size = 250 | spacing = 3 | color = transparent | color_border = transparent | caption = Highlights from spaceflight in 2018 | first = 8 January | last = 29 December | total = 114 | success = 111 | failed = 2 | partial = 1 | catalogued = 112 | firstflight = | firstsat =

|firstlaunch= | firsttrav = | maidens = {{plainlist|

This article documents notable spaceflight events during the year 2018. For the first time since 1990, more than 100 orbital launches were performed globally.

Overview

Planetary exploration

The NASA InSight seismology probe was launched in May 2018 and landed on Mars in November. The Parker Solar Probe was launched to explore the Sun in August 2018, and reached its first perihelion in November, traveling faster than any prior spacecraft. On 20 October the ESA and JAXA launched BepiColombo to Mercury, on a 10-year mission featuring several flybys and eventually deploying two orbiters in 2025 for local study. The asteroid sampling mission Hayabusa2 reached its target Ryugu in June, and the similar OSIRIS-REx probe reached Bennu in December. China launched its Chang'e 4 lander/rover in December which performed the first ever soft landing on the far side of the Moon in January 2019; a communications relay was sent to the second Earth-Moon Lagrange point in May. The Google Lunar X Prize expired on 31 March without a winner for its $20 million grand prize, because none of its five finalist teams were able to launch a commercial lunar lander mission before the deadline.

Human spaceflight

The Soyuz MS-10 October mission to the International Space Station (ISS) was aborted shortly after launch, due to a separation failure of one of the rocket's side boosters. The crew landed safely, and was rescheduled for March 2019 on Soyuz MS-12. The United States returned to spaceflight on 13 December with the successful suborbital spaceflight of VSS Unity Flight VP-03. The flight did not reach the Kármán line (100 km) but it did cross the US definition of space (50 mi). As per United States convention, it was the first human spaceflight launched from the U.S. since the last Space shuttle flight STS-135 in 2011. Astronauts Mark P. Stucky and Frederick W. Sturckow both received their FAA Commercial Astronaut Wings on 7 February 2019. The return of the United States to human orbital spaceflight was further delayed to 2019, as Boeing and SpaceX, under NASA supervision, performed further tests on their commercial crew spacecraft under development: Starliner on Atlas V and SpaceX Dragon 2 on Falcon 9.

Rocket innovation

After a failed launch in 2017, the Electron rocket reached orbit with its second flight in January; manufactured by Rocket Lab, it is the first orbital rocket equipped with electric pump-fed engines. On 3 February, the Japanese SS-520-5 rocket (a modified sounding rocket) successfully delivered a 3U CubeSat to orbit, thus becoming the lightest and smallest orbital launch vehicle ever. On 6 February, SpaceX performed the much-delayed test flight of Falcon Heavy, carrying a car and a mannequin to a heliocentric orbit beyond Mars. Falcon Heavy became the most powerful active rocket until the maiden launch of the Space Launch System in 2022. On 27 October, LandSpace launched Zhuque-1, the first privately developed rocket in China; it failed to reach orbit. The company later announced that it would not repeat the launch attempt and shift its focus to the Zhuque-2 launch vehicle, making this the only launch attempt of Zhuque-1. On 13 December Virgin Galactic's SpaceShipTwo reached 82.7 km, below the internationally recognized Kármán line but above the 50-mile definition of space used by the U.S. Federal Aviation Administration.

Accelerating activity

The global activity of the launch industry grew significantly in 2018. 114 launches were conducted over the full year, compared with 91 in 2017, a 25% increase. Only three missions failed fully or partially in 2018, compared with eight failures in 2017. In August, China surpassed its previous record of 22 launches in 2016, and ended the year with a total 39 launches, also more launches than any other country in 2018. The 100th orbital launch of the year occurred on 3 December, exceeding all yearly tallies since the end of the Cold War space race in 1991.

Orbital and suborbital launches

Main article: List of spaceflight launches in January–June 2018, List of spaceflight launches in July–December 2018

::data[format=table title="List of orbital launches"] | Month | Num. of successes | Num. of failures | Total || || 2 | |---|---|---|---| | January | 13 | 0 | | | February | 8 | 0 | | | March | 10 | 0 | | | April | 9 | 0 | | | May | 7 | 0 | | | June | 8 | 0 | | | July | 8 | 0 | | | August | 4 | 0 | | | September | 8 | 0 | | | October | 11 | 2 | | | November | 13 | 0 | | | December | 15 | 0 | | ::

Deep-space rendezvous

::data[format=table]

Date (GMT)SpacecraftEventRemarks
7 FebruaryJuno11th perijove of Jupiter
1 AprilJuno12th perijove
17 MayTESSGravity assist by the MoonClosest approach: 8100 km
24 MayJuno13th perijove
25 MayQueqiaoMoon flybyIn Earth–Moon L2 halo orbit
25 MayLongjiang-1Moon flybyurl=https://gbtimes.com/change-4-lunar-microsatellite-may-be-lost-queqiao-continues-toward-lagrange-point-beyond-moon
25 MayLongjiang-2Injection into Selenocentric orbituser=planet4589
27 JuneHayabusa2Arrival at asteroid Ryugu
16 JulyJuno14th perijove
7 SeptemberJuno15th perijove
nowrap21 SeptemberHIBOU (ROVER-1A)Landing on Ryugu
21 SeptemberOWL (ROVER-1B)Landing on Ryugu
3 OctoberMASCOTLanding on Ryugu
3 OctobernowrapParker Solar Probenowrap
29 OctoberJuno16th perijove
6 NovemberParker Solar ProbeFirst perihelionOccurred at 03:28 UTC, a distance of 25 million km from the Sun. New record for the fastest spacecraft (95 km/s).
nowrap26 NovemberInSightArrival at Mars
26 NovemberMarCO A, BMars flybyData relays for InSight lander
3 DecemberOSIRIS-RExArrival at asteroid BennuApproach phase operations began on 17 August
12 DecemberChang'e 4Injection into Selenocentric orbitPreliminary orbit 100 × 400 km, en route to a landing attempt on the Lunar farside
21 DecemberJuno17th perijove
::

Extravehicular activities (EVAs)

::data[format=table]

Start date/timeDurationEnd timeSpacecraftCrewRemarks
23 January
11:497 hours
24 minutes19:13Expedition 54
ISS Quest{{plainlist
2 February
15:348 hours
13 minutes23:47Expedition 54
ISS Pirs{{plainlist
16 February
12:005 hours
57 minutes17:57Expedition 54
ISS Quest{{plainlist
29 March
13:336 hours
10 minutes19:43Expedition 55
ISS Quest{{plainlist
16 May
11:396 hours
31 minutes18:10Expedition 55
ISS Quest{{plainlist
14 June
08:066 hours
14:55Expedition 56
ISS Quest{{plainlist
15 August
16:177 hours
46 minutes00:03 on 16 AugustExpedition 56
ISS Pirs{{plainlist
nowrap11 December
15:597 hours
45 minutes21:44Expedition 57
ISS Pirs{{plainlist
::

Space debris events

::data[format=table]

Date/Time (UTC)Pieces trackedRemarks
31 AugustCentaur upper stageUnknown
22 December
07:12Orbcomm
OG1 FM 16Satellite breakup
::

Orbital launch statistics

By country

For the purposes of this section, the yearly tally of orbital launches by country assigns each flight to the country of origin of the rocket, not to the launch services provider or the spaceport. As examples, Soyuz launches by Arianespace in Kourou are counted under Russia because Soyuz-2 is a Russian rocket.

| radius = 120 | legend = false | thumb = left

| value1 = 39 | color1 = #ff0000 | label1 = China: | value2 = 31 | color2 = #484785 | label2 = United States: | value3 = 20 | color3 = #a52a2a | label3 = Russia: | value4 = 7 | color4 = #ff9933 | label4 = India: | value5 = 6 | color5 = #ffffff | label5 = Japan: | value6 = 6 | color6 = #318ce7 | label6 = France: | value7 = 3 | color7 = #000000 | label7 = New Zealand: | value8 = 2 | color8 = #808000 | label8 = Italy:

::data[format=table] | Country | Launches | Successes | Failures | Partial failures | || style="text-align:left;" | | || style="text-align:left;" | | || style="text-align:left;" | | || style="text-align:left;" | | || style="text-align:left;" | | || style="text-align:left;" | | || style="text-align:left;" | | || style="text-align:left;" | | World || || || || | |---|---|---|---|---|---|---|---|---|---|---|---|---|---| | 39 | 38 | 1 | 0 | | | | | | | | | | | | 6 | 5 | 0 | 1 | | | | | | | | | | | | 7 | 7 | 0 | 0 | | | | | | | | | | | | 2 | 2 | 0 | 0 | | | | | | | | | | | | 6 | 6 | 0 | 0 | | | | | | | | | | | | 3 | 3 | 0 | 0 | | | | | | | | | | | | 20 | 19 | 1 | 0 | | | | | | | | | | | | 31 | 31 | 0 | 0 | | | | | | | | | | | ::

By rocket

| float = center | width = 990 | height = 480 | stack = 1 | group 1 = 2:0:0:0:0:0:0:0:0:0:0:0:0:0 | group 2 = 0: 6:0:0:0:0:0:0:0:0:0:0:0:0 | group 3 = 0:0: 5:0:0:0:0:0:0:0:0:0:0:0 | group 4 = 0:0:0: 1:0:0:0:0:0:0:0:0:0:0 | group 5 = 0:0:0: 1:0:0:0:0:0:0:0:0:0:0 | group 6 = 0:0:0: 1:0:0:0:0:0:0:0:0:0:0 | group 7 = 0:0:0:0: 3:0:0:0:0:0:0:0:0:0 | group 8 = 0:0:0:0:0: 9:0:0:0:0:0:0:0:0 | group 9 = 0:0:0:0:0:11:0:0:0:0:0:0:0:0 | group 10 = 0:0:0:0:0: 1:0:0:0:0:0:0:0:0 | group 11 = 0:0:0:0:0:0: 2:0:0:0:0:0:0:0 | group 12 = 0:0:0:0:0:0:0: 3:0:0:0:0:0:0 | group 13 = 0:0:0:0:0:0:0: 1:0:0:0:0:0:0 | group 14 = 0:0:0:0:0:0:0:0:14:0:0:0:0:0 | group 15 = 0:0:0:0:0:0:0:0:14:0:0:0:0:0 | group 16 = 0:0:0:0:0:0:0:0: 6:0:0:0:0:0 | group 17 = 0:0:0:0:0:0:0:0: 3:0:0:0:0:0 | group 18 = 0:0:0:0:0:0:0:0:0: 4:0:0:0:0 | group 19 = 0:0:0:0:0:0:0:0:0:0: 5:0:0:0 | group 20 = 0:0:0:0:0:0:0:0:0:0: 9:0:0:0 | group 21 = 0:0:0:0:0:0:0:0:0:0: 2:0:0:0 | group 22 = 0:0:0:0:0:0:0:0:0:0:0: 2:0:0 | group 23 = 0:0:0:0:0:0:0:0:0:0:0: 2:0:0 | group 24 = 0:0:0:0:0:0:0:0:0:0:0:0: 2:0 | group 25 = 0:0:0:0:0:0:0:0:0:0:0:0:0: 5 | colors = DarkTurquoise : MediumBlue : Goldenrod : SteelBlue : LightSteelBlue : DarkBlue : Black : Teal : LightSeaGreen : DarkGreen : SandyBrown : Olive : DarkKhaki : FireBrick : IndianRed : Salmon : Sienna : Gold : DarkGrey : Chocolate : CornflowerBlue : Tan : Wheat : SkyBlue : LightGrey | group names = Antares 200 : Ariane 5 : Atlas V : Delta II : Delta IV : Delta IV Heavy : Electron : Falcon 9 new : Falcon 9 reused : Falcon Heavy : GSLV Mk II : H-IIA : H-IIB : Long March 2 : Long March 3 : Long March 4 : Long March 11 : PSLV : Soyuz-FG : Soyuz-2 (Russia) : Soyuz-ST (Europe) : Proton-M : Rokot : Vega : Others | x legends = Antares : Ariane : Atlas : Delta : Electron : Falcon : GSLV : H-II : Long March : PSLV : R-7 : UR : Vega : Others | units suffix = _launches

By family

::data[format=table]

FamilyCountryLaunchesSuccessesFailuresPartial failuresRemarks
Antares2200
Ariane6501
Atlas5500
Delta3300
Electron3300
Epsilon1100
Falcon212100
GSLV2200
GSLV Mk III1100
H-II4400
Kuaizhou1100
Long March373700
PSLV4400
R-7161510
S-Series1100Final orbital flight
Universal Rocket4400
Vega2200
Zhuque1010Maiden flight
::

By type

::data[format=table]

RocketCountryFamilyLaunchesSuccessesFailuresPartial failuresRemarks
Antares 200Antares2200
Ariane 5Ariane6501
Atlas VAtlas5500
Delta IIDelta1100Final flight
Delta IVDelta2200
ElectronElectron3300
EpsilonEpsilon1100
Falcon 9Falcon212100
GSLVGSLV2200
GSLV Mk IIIGSLV Mk III1100
H-IIAH-II3300
H-IIBH-II1100
Kuaizhou 1Kuaizhou1100
Long March 2Long March141400
Long March 3Long March141400
Long March 4Long March6600
Long March 11Long March3300
ProtonUniversal Rocket2200
PSLVPSLV4400
SoyuzR-75410
Soyuz-2 or STR-7111100
SS-520S-Series1100Final orbital flight
UR-100Universal Rocket2200
VegaVega2200
Zhuque-1Zhuque1010Only flight
::

By configuration

::data[format=table]

RocketCountryTypeLaunchesSuccessesFailuresPartial failuresRemarks
Antares 230Antares 2002200
Ariane 5 ECAAriane 55401
Ariane 5 ESAriane 51100Final flight
Atlas V 401Atlas V1100
Atlas V 411Atlas V1100
Atlas V 541Atlas V1100
Atlas V 551Atlas V2200
Delta II 7420Delta II1100Final flight
Delta IV Medium+ (5,2)Delta IV1100Final flight
Delta IV HeavyDelta IV1100
EpsilonEpsilon1100
ElectronElectron3300
Falcon 9 Full ThrustFalcon 9101000Final flight
Falcon 9 Block 5Falcon 9101000Maiden flight
Falcon HeavyFalcon 91100Maiden flight
GSLV Mk IIGSLV2200
GSLV Mk IIIGSLV Mk III1100
H-IIA 202H-IIA3300
H-IIA 204H-IIA0000
H-IIBH-IIB1100
Kuaizhou 1AKuaizhou1100
Long March 2CLong March 26600
Long March 2DLong March 28800
Long March 3ALong March 32200
Long March 3B/ELong March 33300
Long March 3B/E / YZ-1Long March 38800
Long March 3C/ELong March 31100
Long March 4BLong March 42200
Long March 4CLong March 44400
Long March 11Long March 113300
Proton-M / Briz-MProton2200
PSLV-CAPSLV2200
PLSV-XLPSLV2200
Rokot / Briz-KMUR-1002200
Soyuz-FGSoyuz5410
Soyuz-2.1a or ST-ASoyuz-22200
Soyuz-2.1a or ST-A / Fregat-MSoyuz-22200
Soyuz-2.1b or ST-BSoyuz-21100
Soyuz-2.1b or ST-B / Fregat-MSoyuz-24400
Soyuz-2.1b or ST-B / Fregat-MTSoyuz-21100
Soyuz-2-1v / VolgaSoyuz-21100
SS-520-5SS-5201100Final orbital flight
VegaVega2200
Zhuque-1Zhuque-11010Only flight
::

By spaceport

| float = center | width = 800 | height = 400 | stack = 1 | group 1 = 16:0:0:0:0:0:0:0 | group 2 = 6:0:0:0:0:0:0:0 | group 3 = 17:0:0:0:0:0:0:0 | group 4 = 0:11:0:0:0:0:0:0 | group 5 = 0:0: 7:0:0:0:0:0 | group 6 = 0:0:0: 4:0:0:0:0 | group 7 = 0:0:0: 2:0:0:0:0 | group 8 = 0:0:0:0: 9:0:0:0 | group 9 = 0:0:0:0:0: 3:0:0 | group 10 = 0:0:0:0:0:0: 6:0 | group 11 = 0:0:0:0:0:0: 2:0 | group 12 = 0:0:0:0:0:0:0:17 | group 13 = 0:0:0:0:0:0:0: 3 | group 14 = 0:0:0:0:0:0:0: 2 | group 15 = 0:0:0:0:0:0:0: 9 | colors = FireBrick : Crimson : LightCoral : MediumBlue : Orange : MediumPurple : Plum : LightSeaGreen : Black : SteelBlue : LightSteelBlue : Blue : DodgerBlue : DeepSkyBlue : SkyBlue | group names = Jiuquan : Taiyuan : Xichang : Kourou : Satish Dhawan : Tanegashima : Uchinoura : Baikonur : Mahia : Plesetsk : Vostochny : Cape Canaveral : Kennedy : MARS : Vandenberg | x legends = China : France : India : Japan : Kazakhstan : New Zealand : Russia : United States | units suffix = _launches

::data[format=table] | Site | Country | Launches | Successes | Failures | Partial failures | Remarks | Total ||114 ||110 || 3 || 1 || | |---|---|---|---|---|---|---|---| | Baikonur | | 9 | 8 | 1 | 0 | | | | Cape Canaveral | | 17 | 16 | 1 | 0 | | | | Jiuquan | | 16 | 15 | 1 | 0 | | | | Kennedy | | 3 | 3 | 0 | 0 | | | | Kourou | | 11 | 10 | 0 | 1 | | | | Mahia | | 3 | 3 | 0 | 0 | | | | MARS | | 2 | 2 | 0 | 0 | | | | Plesetsk | | 6 | 6 | 0 | 0 | | | | Satish Dhawan | | 7 | 7 | 0 | 0 | | | | Taiyuan | | 6 | 6 | 0 | 0 | | | | Tanegashima | | 4 | 4 | 0 | 0 | | | | Uchinoura | | 2 | 2 | 0 | 0 | | | | Vandenberg | | 9 | 9 | 0 | 0 | | | | Vostochny | | 2 | 2 | 0 | 0 | | | | Xichang | | 17 | 17 | 0 | 0 | | | ::

By orbit

| float = center | width = 710 | height = 400 | stack = 1 | group 1 = 23:0:0:0:0 | group 2 = 13:0:0:0:0 | group 3 = 30:0:0:0:0 | group 4 = 1:0:0:0:0 | group 5 = 0:13:0:0:0 | group 6 = 0:0:27:0:0 | group 7 = 0:0:0: 3:0 | group 8 = 0:0:0:0: 4 | colors = Navy : MediumBlue : RoyalBlue : DodgerBlue : LightSeaGreen : SaddleBrown : Black: Gold | group names = Low Earth : Low Earth (ISS) : Low Earth (SSO) : Low Earth (retrograde) : Medium Earth :Geosychronous (transfer) : High Earth : Heliocentric | x legends = Low Earth : Medium Earth : Geosynchronous / transfer : High Earth : Heliocentric orbit | units suffix = _launches

::data[format=table] | Orbital regime | Launches | Achieved | Not achieved | Accidentally achieved | Remarks | Total || 114 || 110 || 3 || 1 || | |---|---|---|---|---|---|---| | Transatmospheric | 0 | 0 | 0 | 0 | | | | Low Earth / Sun-synchronous | 67 | 64 | 3 | 0 | Zuma, Soyuz MS-10 and Zhuque-1 lost | | | Geosynchronous / GTO | 27 | 26 | 0 | 1 | Ariane VA241 underperformed | | | Medium Earth | 13 | 13 | 0 | 0 | | | | High Earth / Lunar transfer | 3 | 3 | 0 | 0 | | | | Heliocentric / Planetary transfer | 4 | 4 | 0 | 0 | | | ::

References

Notes Citations

--

References

  1. Clark, Stephen. (28 June 2018). "Japanese spacecraft reaches asteroid after three-and-a-half-year journey". Spaceflight Now.
  2. Davenport, Justin. (3 December 2018). "OSIRIS-REx Arrives at Asteroid Bennu". [[NASASpaceFlight.com]].
  3. Lyons, Kate. "Chang'e 4 landing: China probe makes historic touchdown on far side of the moon". The Guardian.
  4. "China successfully lands Chang'e-4 on far side of Moon".
  5. (23 January 2018). "Google Lunar X Prize to end without winner - SpaceNews.com".
  6. (4 December 2018). "NASA Astronaut Nick Hague Set for New Space Station Mission After Abort".
  7. (5 August 2018). "Astronauts chosen for SpaceX, Boeing capsule flights in 2019". [[Gannett]].
  8. (14 April 2015). "A 3D-Printed, Battery-Powered Rocket Engine". Popular Science.
  9. (3 February 2018). "Japanese sounding rocket claims record-breaking orbital launch – NASASpaceFlight.com".
  10. Gebhardt, Chris. (5 February 2018). "SpaceX successfully debuts Falcon Heavy in demonstration launch from KSC". NASASpaceflight.
  11. Joe Pappalardo. (5 February 2018). "Elon Musk's Space Tesla Isn't Going to Mars. It's Going Somewhere More Important.".
  12. "SpaceX Falcon Heavy: How the biggest rockets in history stack up". CNNMoney.
  13. Barbosa, Rui C.. (27 October 2018). "Chinese commercial provider LandSpace launches Weilai-1 on a Zhuque-1 rockets – fails to make orbit". [[NASASpaceFlight.com]].
  14. Jones, Andrew. (12 July 2023). "China's Landspace reaches orbit with methane-powered Zhuque-2 rocket".
  15. Clyde Hughes. (13 December 2018). "Virgin Galactic reaches edge of space in historic flight". UPI.
  16. Christian Davenport. (19 November 2018). "Virgin Galactic's quest for space". Washington Post.
  17. Gebhardt, Chris. (3 December 2018). "100th orbital launch of 2018: International trio launch to Space Station". [[NASASpaceFlight.com]].
  18. Jones, Andrew. (1 June 2018). "Queqiao Chang'e-4 satellite performs Moon flyby, makes successful braking manoeuvre". [[GBTimes]].
  19. Jones, Andrew. (28 May 2018). "Chang'e-4: Lunar microsatellite may be lost, Queqiao continues toward Lagrange point beyond Moon". [[GBTimes]].
  20. (27 May 2018). "So it looks like Longjiang-2 (DSLWP-B) is in a 350 x 13800 km x 21 deg lunar orbit. Longjiang-1 seems to have failed on May 21 and presumably remains in distant Earth orbit following its lunar flyby".
  21. Genhardt, Chris. (26 November 2018). "NASA, international InSight mission nail PERFECT landing on Mars". [[NASASpaceFlight.com]].
  22. Jones, Andrew. (12 December 2018). "Chang'e-4 has just successfully entered a 100 x 400km lunar orbit, achieved at 08:39 UTC (16:39 Beijing time), following a four-and-a-half day voyage to Moon".
  23. Harwood, William. (14 June 2018). "Station astronauts install new cameras on successful spacewalk". Spaceflight Now.
  24. Clark, Stephen. (August 15, 2018). "Spacewalkers toss nanosatellites into orbit, hook up bird migration monitor". Spaceflight Now.
  25. Bergin, Chris. (11 December 2018). "Russian EVA examines hole repair area on Soyuz MS-09". [[NASASpaceFlight.com]].
  26. (2019-01-01). "#18SPCS confirmed breakup of ORBCOMM OG1 sat FM 16, #25417, on 22 Dec @ 0712 UTC - tracking 34 pieces - no indication caused by collision.".
  27. Krebs, Gunter. "NROL launches". Gunter's Space Page.
  28. Krebs, Gunter. "CZ-2 (Chang Zheng-2)". Gunter's Space Page.
  29. Krebs, Gunter. "CZ-3 (Chang Zheng-3)". Gunter's Space Page.
  30. Krebs, Gunter. "CZ-4 (Chang Zheng-4)". Gunter's Space Page.
  31. Pietrobon, Steven. (19 December 2018). "Chinese Launch Manifest".
  32. Pietrobon, Steven. (9 November 2018). "Ariane Launch Manifest".
  33. Pietrobon, Steven. (29 November 2018). "Indian Launch Manifest".
  34. Pietrobon, Steven. (28 November 2018). "Russian Launch Manifest".
  35. Pietrobon, Steven. (29 November 2018). "United States Commercial LV Launch Manifest".
  36. Pietrobon, Steven. (9 December 2018). "United States Military Manifest".
  37. Clark, Stephen. (19 December 2018). "Launch schedule". Spaceflight Now.
  38. Cooper, Ben. (19 December 2018). "Rocket Launch Viewing Guide for Cape Canaveral".
  39. Krebs, Gunter. (15 February 2018). "Orbital Launches of 2018". Gunter's Space Page.
  40. Krebs, Gunter. "Ariane-5ECA". Gunter's Space Page.
  41. Krebs, Gunter. "Atlas-5". Gunter's Space Page.

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2018-in-spaceflightspaceflight-by-year2018-related-liststransport-timelines-by-year