51829 Williemccool

51829 Williemccool

Discovery
Discovered by	NEAT
Discovery date	21 July 2001
Designations
Named after	William Cameron McCool
Alternative names	2001 OD41
Minor planet category	Main belt
Orbital characteristics[1][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	7293 days (19.97 yr)
Aphelion	2.40146 AU (359.253 Gm)
Perihelion	2.15481 AU (322.355 Gm)
Semi-major axis	2.27814 AU (340.805 Gm)
Eccentricity	0.054134
Orbital period	3.44 yr (1255.9 d)
Average orbital speed	19.72 km/s
Mean anomaly	159.290°
Mean motion	0° 17^m 11.897^s / day
Inclination	7.56557°
Longitude of ascending node	93.3508°
Argument of perihelion	119.353°
Earth MOID	1.15671 AU (173.041 Gm)
Jupiter MOID	2.58296 AU (386.405 Gm)
Jupiter Tisserand parameter	3.594
Physical characteristics
Geometric albedo	0.10
Temperature	~184 K
Absolute magnitude (H)	15.2

51829 Williemccool (2001 OD₄₁) is an asteroid named for astronaut Willie McCool, who was killed in the STS-107 (Columbia) space shuttle reentry disaster on February 1, 2003. 51829 Williemccool was discovered on July 21, 2001 at Palomar Observatory by the JPL Near Earth Asteroid Tracking Program.

References

1. "The Asteroid Orbital Elements Database". astorb. Lowell Observatory.
2. "51829 Williemccool (2001 OD41)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 April 2016.

External links

• NASA JPL - Space Shuttle Columbia Tribute page
• Orbital simulation and data for 51829 Williemccool
• 51829 Williemccool at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters