Discovery[1] | |
---|---|
Discovered by | M. Itzigsohn |
Discovery site | La Plata Obs. |
Discovery date | 3 March 1951 |
Designations | |
(1688) Wilkens | |
Named after | Alexander Wilkens (German astronomer)[2] |
1951 EQ1 · 1964 JC | |
main-belt · (middle)[3] Mitidika[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 66.05 yr (24,123 days) |
Aphelion | 3.2511 AU |
Perihelion | 1.9834 AU |
2.6173 AU | |
Eccentricity | 0.2422 |
4.23 yr (1,547 days) | |
158.97° | |
0° 13m 58.08s / day | |
Inclination | 11.763° |
245.77° | |
42.399° | |
Physical characteristics | |
Dimensions | 12.12 km (calculated)[3] 16.239±0.118 km[5][6] 16.82±0.29 km[7] |
7.248±0.001 h[8] 7.3017±0.0676 h[9] | |
0.044±0.005[5][6] 0.066±0.003[7] 0.10 (assumed)[3] | |
S (assumed)[3] | |
12.50[7] · 12.7[1][3][5] · 12.91±0.45[10] · 12.953±0.002 (S)[9] | |
1688 Wilkens, provisional designation 1951 EQ1, is a Mitidika asteroid from the central region of the asteroid belt, approximately 16 kilometers in diameter. It was discovered on 3 March 1951, by Argentine astronomer Miguel Itzigsohn at La Plata Observatory in the Province of Buenos Aires, Argentina, and named after astronomer Alexander Wilkens.[11]
jpldata
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