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]
Discovery [1] | |
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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]
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