2984 Chaucer

2984 Chaucer, provisionally designated 1981 YD, is a main-belt asteroid, which was discovered by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona, on 30 December 1981.^[1]

2984 Chaucer

Discovery [1]
Discovered by	E. Bowell
Discovery site	Anderson Mesa Stn.
Discovery date	30 December 1981
Designations
MPC designation	(2984) Chaucer
Named after	Geoffrey Chaucer[2]
Alternative designations	1981 YD · 1963 FB 1965 UK1 · 1971 FZ 1971 JA
Minor planet category	main-belt
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc	63.53 yr (23,204 days)
Aphelion	2.8025 AU
Perihelion	2.1380 AU
Semi-major axis	2.4702 AU
Eccentricity	0.1345
Orbital period (sidereal)	3.88 yr (1,418 days)
Mean anomaly	37.757°
Mean motion	0° 15m 14.04s / day
Inclination	3.0533°
Longitude of ascending node	81.815°
Argument of perihelion	46.551°
Physical characteristics
Dimensions	15.422±0.078[3] 27.2 km[citation needed]
Geometric albedo	0.045±0.006[3] 0.10[citation needed]
Temperature	~ 177 K[citation needed]
Absolute magnitude (H)	13.1

It is named after Geoffrey Chaucer (1343–1400), the medieval English poet.^[2]

References

1. "JPL Small-Body Database Browser: 2984 Chaucer (1981 YD)" (2017-03-29 last obs.). Jet Propulsion Laboratory. Retrieved 14 June 2017.
2. Schmadel, Lutz D. (2003). "(2984) Chaucer". Dictionary of Minor Planet Names – (2984) Chaucer. Springer Berlin Heidelberg. p. 246. doi:10.1007/978-3-540-29925-7_2985. ISBN 978-3-540-29925-7.
3. 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. S2CID 119293330. Retrieved 14 June 2017.

External links

• Dictionary of Minor Planet Names, Google books
• 2984 Chaucer at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 2984 Chaucer at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters