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(612901) 2004 XP14

Near-Earth asteroid

Field	Value
minorplanet	yes
background	#FFC2E0
name
image	2004 XP14 radar.jpg
caption	imaged by the Goldstone Solar System Radar in 2006
discoverer	LINEAR
discovered	10 December 2004
mp_category	NEOApolloPHA
orbit_ref
observation_arc	1007 days (2.76 yr)
uncertainty	0
epoch	13 January 2016 (JD 2457400.5)
semimajor	1.05156 AU
perihelion	0.884900 AU
aphelion	1.21822 AU
eccentricity	0.158488
period	1.08 yr (393.87 d)
inclination	32.9505°
asc_node	281.045°
arg_peri	273.695°
mean_anomaly	10.1555°
mean_motion	/day
moid	0.00316799 AU
mean_diameter
300–800 m
rotation	100 h
abs_magnitude	19.4

300–800 m

**** is a sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group. It was first observed by the LINEAR project on 10 December 2004.

Description

14}} as seen from France during its closest approach to Earth on 3 July 2006

Although initially there were concerns that it might possibly impact Earth later in the 21st century and thus merit special monitoring, further analysis of its orbit has since ruled out any such collision, at least in the foreseeable future.

The size of is not precisely known. Based on optical measurements, the object is between 300 and 800 meters in diameter. Radar observations place a lower bound of about 260 m.

's closest pass by Earth was above the west coast of North America at 04:25 UTC on 3 July 2006.

The asteroid's distance from Earth's center of mass at that moment was 0.0028906 AU, or just 1.1 times the Moon's average distance from Earth. It was observed immediately after this close approach by radar from three locations, from Goldstone in the Mojave Desert in the US, from Sicily, and from Yevpatoria RT-70 radio telescope, Ukraine, as well as optically from other observatories and amateurs.

It was removed from the Sentry Risk Table on 17 March 2005.

Asteroid	Date	Nominal approach distance (LD)	Min. distance (LD)	Max. distance (LD)	Absolute magnitude (H)	Size (meters)
	1914-12-31	0.606	0.604	0.608	19.4	279–900
	1918-09-17	0.911	0.909	0.913	17.9	556–1795
	1925-08-30	0.903	0.901	0.905	18.5	443–477
[69230 Hermes](69230-hermes)	1937-10-30	1.926	1.926	1.927	17.5	668–2158
69230 Hermes	1942-04-26	1.651	1.651	1.651	17.5	668–2158
	1975-01-31	1.762	1.761	1.762	18.1	507–1637
	2002-08-18	1.371	1.371	1.371	19.0	335–1082
	2006-07-03	1.125	1.125	1.125	19.3	292–942
	2015-10-31	1.266	1.266	1.266	20.0	211–682
	2027-08-07	1.014	1.010	1.019	17.9	556–1793
	2028-06-26	0.647	0.647	0.647	18.2	921–943
[99942 Apophis](99942-apophis)	2029-04-13	0.0981	0.0963	0.1000	19.7	310–340
	2072-07-26	1.216	1.215	2.759	18.8	367–1186
	2072-10-17	1.875	1.865	1.886	19.6	254–820
	2080-08-31	1.655	1.654	1.656	18.5	443–477
[(416801) 1998 MZ](416801-1998-mz)	2116-11-26	1.068	1.068	1.069	19.2	305–986
	2140-12-01	0.634	0.631	0.637	19.3	427–593
	2172-02-08	1.783	1.775	1.792	18.7	385–1242
[(290772) 2005 VC](290772-2005-vc)	2198-05-05	1.951	1.791	2.134	17.6	638–2061

References

|archive-url=https://web.archive.org/web/20020602101400/http://neo.jpl.nasa.gov/risk/removed.html |url-status=dead |archive-date=2002-06-02

References

"Absolute Magnitude (H)". NASA/JPL.
(2006). "Asteroid fly-by eludes study". Nature.

Info: Wikipedia Source

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