Discovery[1] | |
---|---|
Discovered by | Indiana University (Indiana Asteroid Program) |
Discovery site | Goethe Link Obs. |
Discovery date | 3 October 1953 |
Designations | |
(1721) Wells | |
Named after | Herman Wells (Indiana University)[2] |
1953 TD3 · 1944 DA 1958 QE · A905 CG | |
main-belt · (outer) | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 112.13 yr (40,957 days) |
Aphelion | 3.2969 AU |
Perihelion | 3.0049 AU |
3.1509 AU | |
Eccentricity | 0.0463 |
5.59 yr (2,043 days) | |
101.64° | |
Inclination | 16.107° |
317.29° | |
137.52° | |
Physical characteristics | |
Dimensions | 43.576±0.166 km[3] |
0.045±0.005[3] | |
10.9[1] | |
1721 Wells, provisional designation 1953 TD3, is a dark asteroid from the outer region of the asteroid belt, approximately 44 kilometers in diameter.
It was discovered on 3 October 1953, by IU's Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States.[4] It was named after UI's president and chancellor Herman B Wells.[2]
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