1688 Wilkens

1688 Wilkens
Discovery[1]
Discovered byM. Itzigsohn
Discovery siteLa Plata Obs.
Discovery date3 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 arc66.05 yr (24,123 days)
Aphelion3.2511 AU
Perihelion1.9834 AU
2.6173 AU
Eccentricity0.2422
4.23 yr (1,547 days)
158.97°
0° 13m 58.08s / day
Inclination11.763°
245.77°
42.399°
Physical characteristics
Dimensions12.12 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]

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  2. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
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  4. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Franco-2012c was invoked but never defined (see the help page).
  9. ^ a b Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference MPC-Wilkens was invoked but never defined (see the help page).