2942 Cordie

2942 Cordie
Discovery
Discovered by	K. Reinmuth
Discovery site	Heidelberg Obs.
Discovery date	29 January 1932
Designations
MPC designation	(2942) Cordie
Named after	Cordie Robinson
Alternative designations	1932 BG ·1936 KF; 1976 GS6 ·1982 BG2
Minor planet category	main-belt
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	84.57 yr (30,890 days)
Aphelion	2.5826 AU
Perihelion	1.8949 AU
Semi-major axis	2.2388 AU
Eccentricity	0.1536
Orbital period (sidereal)	3.35 yr (1,224 days)
Mean anomaly	84.621°
Mean motion	0° 17m 39.12s / day
Inclination	6.8175°
Longitude of ascending node	116.39°
Argument of perihelion	154.85°
Physical characteristics
Dimensions	6.657±0.183 km
Synodic rotation period	80.0 h (3.33 d)
Geometric albedo	0.262±0.029
Absolute magnitude (H)	13.0

Last updated September 24, 2025

2942 Cordie, provisional designation 1932 BG, is an asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 29 January 1932, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany.

The asteroid has a long rotation period of roughly 80 hours.^[1] It was named after of Cordie Robinson, planetary geologist at the Harvard-Smithsonian Center for Astrophysics.^[2]

References

1 2 3 4 "JPL Small-Body Database Browser: 2942 Cordie (1932 BG)" (2016-08-25 last obs.). Jet Propulsion Laboratory. Archived from the original on 14 September 2020. Retrieved 15 June 2017.
1 2 Schmadel, Lutz D. (2003). "(2942) Cordie". Dictionary of Minor Planet Names – (2942) Cordie. Springer Berlin Heidelberg. p. 242. doi:10.1007/978-3-540-29925-7_2943. ISBN 978-3-540-29925-7.
1 2 Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv: 1406.6645 . Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121 . Retrieved 15 June 2017.

Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm
Pray, D.P.; Kusnirak, P.; Galad, A.; Vilagi, J.; et al. (2007) Minor Planet Bul. 34, 44-46.

External links

Dictionary of Minor Planet Names, Google books
2942 Cordie at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
2942 Cordie at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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[jpldata-1] 1 2 3 4 "JPL Small-Body Database Browser: 2942 Cordie (1932 BG)" (2016-08-25 last obs.). Jet Propulsion Laboratory. Archived from the original on 14 September 2020. Retrieved 15 June 2017.

[springer-2] 1 2 Schmadel, Lutz D. (2003). "(2942) Cordie". Dictionary of Minor Planet Names – (2942) Cordie. Springer Berlin Heidelberg. p. 242. doi:10.1007/978-3-540-29925-7_2943. ISBN 978-3-540-29925-7.

[Masiero-2014-3] 1 2 Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv: 1406.6645 . Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121 . Retrieved 15 June 2017.

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