2696 Magion
2696 Magion, provisional designation 1980 HB, is a dark background asteroid and a slow rotator from the inner regions of the asteroid belt, approximately 21 kilometers (13 miles) in diameter. It was discovered on 16 April 1980, by Slovak astronomer Ladislav Brožek at the Kleť Observatory in former Czechoslovakia. The X-type asteroid has an ambiguous rotation period of 480 hours and is possibly a tumbler. It was named for the first Czechoslovak satellite, Magion 1, launched in 1978.
Discovery | |
---|---|
Discovered by | L. Brožek |
Discovery site | Kleť Obs. |
Discovery date | 16 April 1980 |
Designations | |
MPC designation | (2696) Magion |
Named after | Magion 1 (Czechoslovak satellite) |
Alternative designations | 1980 HB · 1951 SK 1953 GC · 1978 TN7 |
Minor planet category | main-belt · (inner) background · Phocaea |
Orbital characteristics | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 66.41 yr (24,255 d) |
Aphelion | 2.7287 AU |
Perihelion | 2.1712 AU |
Semi-major axis | 2.4499 AU |
Eccentricity | 0.1138 |
Orbital period (sidereal) | 3.83 yr (1,401 d) |
Mean anomaly | 35.557° |
Mean motion | 0° 15m 25.2s / day |
Inclination | 25.350° |
Longitude of ascending node | 186.23° |
283.31° | |
Physical characteristics | |
Mean diameter | 10.06 km (calculated) 20.18±1.0 km 20.83±5.49 km 21.388±0.121 km 22.74±0.53 km 23.824±8.215 km 25.418±0.186 km |
Synodic rotation period | 480±6 h |
0.0345±0.0036 0.038±0.004 0.04±0.03 0.0421±0.0397 0.054±0.003 0.0687±0.008 0.23 (assumed) | |
X · S (assumed) | |
12.00 12.20 12.39 12.48±0.02 | |
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