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48P/Johnson

Periodic comet

Field	Value
name	48P/Johnson
image	48P 2005-07-18 Spitzer image Level-2-PBCD-MIPS-24um.jpg
caption	Infrared image of Comet Johnson taken by the Spitzer Space Telescope on 18 July 2005
discovery_ref
discoverer	Ernest Leonard Johnson
discovery_date	25 August 1949
mpc_name	P/1949 Q1, P/1956 P1
designations
orbit_ref
epoch	28 April 2016 (JD 2457506.5)
observation_arc	5,220 days (14.29 years)
obs	1,612
perihelion	2.006 AU
aphelion	5.021 AU
semimajor	3.514 AU
period	6.587 years
eccentricity	0.42897
inclination	12.283°
asc_node	111.46°
arg_peri	214.69°
mean	235.39°
tjup	2.931
Earth_moid	1.007 AU
Jupiter_moid	0.513 AU
physical_ref
dimensions	6.0 xx
mean_diameter	5.74 km
rotation	29 hours
M1	8.9
M2	13.4
last_p	2 March 2025
next_p	2031-Sep-29

48P/Johnson is a periodic comet in the Solar System.

The comet's nucleus is estimated to be approximately 5.74 km in diameter, according to Lamy, Fernandez, and Weaver. David C. Jewitt and Scott S. Sheppard, however, estimate the nucleus to have dimensions of 6.0 xx.

References

| doi-access= free }}

| access-date= 1 March 2010 }}

| chapter-url= https://physics.ucf.edu/~yfernandez/papers/comets2chapter/comets2reprint.pdf

| access-date= 22 July 2025 }}

| doi-access= free }}

|archive-url=https://web.archive.org/web/20250928202751/https://ssd.jpl.nasa.gov/api/horizons.api?format=text&COMMAND=%27DES%3D48P%3BCAP%27&START_TIME=%272031-Sep-27%27&STOP_TIME=%272031-Oct-02%27&STEP_SIZE=%273%20hours%27&QUANTITIES=%2719%27 |archive-date=2025-09-28 |url-status=live

Info: Wikipedia Source

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