905 Universitas is an S-type asteroid orbiting in the Main belt as part of the Flora family.[2] Its diameter is about 21 km and it has an albedo of 0.085.[3] Its rotation period is approximately 14.2 hours.[2]
Discovery | |
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Discovered by | A. Schwassmann |
Discovery site | Bergedorf |
Discovery date | 30 October 1918 |
Designations | |
MPC designation | (905) Universitas |
Pronunciation | /juːnɪˈvɜːrsɪtæs/ |
Alternative designations | 1918 ES; 1961 WE |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 97.47 yr (35600 days) |
Aphelion | 2.5561 AU (382.39 Gm) |
Perihelion | 1.8751 AU (280.51 Gm) |
Semi-major axis | 2.2156 AU (331.45 Gm) |
Eccentricity | 0.15367 |
Orbital period (sidereal) | 3.30 yr (1204.6 d) |
Mean anomaly | 240.325° |
Mean motion | 0° 17m 55.896s / day |
Inclination | 5.3261° |
Longitude of ascending node | 37.179° |
Argument of perihelion | 343.300° |
Earth MOID | 0.877341 AU (131.2483 Gm) |
Jupiter MOID | 2.8967 AU (433.34 Gm) |
TJupiter | 3.633 |
Physical characteristics | |
Mean radius | 10.665±1.2 km |
Synodic rotation period | 14.238 h (0.5933 d)[2] |
Geometric albedo | 0.0849±0.022 |
Absolute magnitude (H) | 11.59 |
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