2984 Chaucer

2984 Chaucer
Discovery
Discovered by	E. Bowell
Discovery site	Anderson Mesa Stn.
Discovery date	30 December 1981
Designations
MPC designation	(2984) Chaucer
Named after	Geoffrey Chaucer
Alternative designations	1981 YD ·1963 FB; 1965 UK1 ·1971 FZ; 1971 JA
Minor planet category	main-belt
Orbital characteristics
	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; 27.2 km[ citation needed ]
Geometric albedo	0.045±0.006; 0.10[ citation needed ]
Temperature	~ 177 K [ citation needed ]
Absolute magnitude (H)	13.1

Last updated September 24, 2025

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]

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

References

1 2 3 "JPL Small-Body Database Browser: 2984 Chaucer (1981 YD)" (2017-03-29 last obs.). Jet Propulsion Laboratory . Retrieved 14 June 2017.
1 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.
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. 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

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[jpldata-1] 1 2 3 "JPL Small-Body Database Browser: 2984 Chaucer (1981 YD)" (2017-03-29 last obs.). Jet Propulsion Laboratory . Retrieved 14 June 2017.

[springer-2] 1 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.

[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. S2CID 119293330 . Retrieved 14 June 2017.

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