657 Gunlöd

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657 Gunlöd
Discovery
Discovered by A. Kopff
Discovery site Heidelberg Obs.
Discovery date 23 January 1908
Designations
MPC designation (657) Gunlöd
1908 BV; 1927 SC;
1929 AM; 1936 YJ
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 107.90 yr (39412 d)
Aphelion 2.9049 AU (434.57 Gm)
Perihelion 2.3187 AU (346.87 Gm)
2.6118 AU (390.72 Gm)
Eccentricity 0.11223
4.22 yr (1541.7 d)
207.017°
0° 14m 0.636s / day
Inclination 10.229°
297.595°
245.225°
Physical characteristics
Mean radius
21.26±0.7 km
15.6652 h (0.65272 d)
0.0415±0.003
10.93

657 Gunlöd is a dark background asteroid orbiting in the intermediate asteroid belt, approximately 43 kilometers in diameter. It was discovered on 23 January 1908, by astronomer August Kopff at the Heidelberg Observatory in southwest Germany. It has an albedo of around 0.042 and a rotation period of 15.7 hours.[2][3]

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