22838 Darcyhampton

Darcyhampton

Discovery
Discovered by	Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site	Socorro
Discovery date	7 September 1999
Designations
MPC designation	22838
Alternative names	1999 RF91
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	14387 days (39.39 yr)
Aphelion	2.9977228 AU (448.45295 Gm)
Perihelion	2.5662440 AU (383.90464 Gm)
Semi-major axis	2.781983 AU (416.1787 Gm)
Eccentricity	0.0775488
Orbital period	4.64 yr (1694.8 d)
Mean anomaly	152.99830°
Mean motion	0° 12^m 44.671^s / day
Inclination	4.889354°
Longitude of ascending node	156.83437°
Argument of perihelion	241.88353°
Earth MOID	1.57623 AU (235.801 Gm)
Jupiter MOID	2.33225 AU (348.900 Gm)
Jupiter Tisserand parameter	3.323
Physical characteristics
Absolute magnitude (H)	14.6

22838 Darcyhampton (1999 RF91) is a main-belt asteroid discovered on September 7, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

References

1. "22838 Darcyhampton (1999 RF91)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.

• http://www.ll.mit.edu/outreach/2006honorees.html#D
• (22838) Darcyhampton Discovered 1999 Sept. 7 by MIT Lincoln Laboratory's Near-Earth Asteroid Research program.

It was named after Darcy Hampton, a recipient of the Presidential Award for Excellence in Mathematics and Science Teaching for mentoring a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Alice Deal Middle School, Washington, District of Columbia.

External links

• JPL Small-Body Database Browser on 22838 Darcyhampton
• 22838 Darcyhampton at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters