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]