5642 Bobbywilliams

Bobbywilliams

Discovery
Discovered by	H. E. Holt
Discovery site	Palomar
Discovery date	27 July 1990
Designations
MPC designation	5642
Alternative names	1990 OK1
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	14928 days (40.87 yr)
Aphelion	3.0866569 AU (461.75730 Gm)
Perihelion	1.5424661 AU (230.74964 Gm)
Semi-major axis	2.314562 AU (346.2535 Gm)
Eccentricity	0.3335817
Orbital period	3.52 yr (1286.2 d)
Mean anomaly	67.33056°
Mean motion	0° 16^m 47.636^s / day
Inclination	24.98386°
Longitude of ascending node	310.18041°
Argument of perihelion	38.93570°
Earth MOID	0.578729 AU (86.5766 Gm)
Jupiter MOID	2.44488 AU (365.749 Gm)
Jupiter Tisserand parameter	3.388
Physical characteristics
Rotation period	4.8341 h (0.20142 d)
Absolute magnitude (H)	14.0

5642 Bobbywilliams (1990 OK1) is a Mars-crossing asteroid discovered on July 27, 1990 by H. E. Holt at Palomar.

References

1. "5642 Bobbywilliams (1990 OK1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.

External links

• 5642 Bobbywilliams at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters