2531 Cambridge

2531 Cambridge

Discovery [1]
Discovered by	E. Bowell (LONEOS)
Discovery site	Anderson Mesa Station, Flagstaff
Discovery date	11 June 1980
Designations
MPC designation	2531 Cambridge
Named after	Cambridge (UK) and Cambridge, MA USA[2]
Alternative names	1980 LD · 1931 AP 1942 EQ · 1952 BG 1963 FK · 1963 HD 1971 VY · 1974 KH A916 FE
Minor planet category	main-belt
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	85.18 yr (31112 days)
Aphelion	3.1790 AU (475.57 Gm)
Perihelion	2.8361 AU (424.27 Gm)
Semi-major axis	3.0076 AU (449.93 Gm)
Eccentricity	0.057011
Orbital period	5.22 yr (1905.1 d)
Mean anomaly	85.878°
Mean motion	0° 11^m 20.292^s / day
Inclination	11.034°
Longitude of ascending node	104.36°
Argument of perihelion	32.373°
Earth MOID	1.85729 AU (277.847 Gm)
Jupiter MOID	1.91027 AU (285.772 Gm)
Jupiter Tisserand parameter	3.220
Physical characteristics
Dimensions	19 km
Mean radius	9.575 ± 0.95 km
Rotation period	12.20 h (0.508 d)
Geometric albedo	0.2104 ± 0.050
Absolute magnitude (H)	10.9

2531 Cambridge, provisional designation 1980 LD, is a main-belt asteroid discovered by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona. The asteroid measures about 19 kilometer in diameter and has a high albedo of 0.21. It has its perihelion at 2.84 AU, an eccentricity of 0.06 and an orbital period of 1,906 days (5.22 years).^[1]

It is named after the University of Cambridge in England and the universities in the city of Cambridge, Massachusetts (United States), where the Minor Planet Center is located at the Smithsonian Astrophysical Observatory.^[2]

References

1. "JPL Small-Body Database Browser: 2531 Cambridge (1980 LD)" (2015-06-14 last obs.). Jet Propulsion Laboratory. Retrieved 15 April 2016.
2. Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (2531) Cambridge. Springer Berlin Heidelberg. p. 206. ISBN 978-3-540-29925-7. Retrieved October 2015.

External links

• Dictionary of Minor Planet Names, Google books
• 2531 Cambridge at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters}