| Discovery | |
|---|---|
| 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 | |
| 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° 17 55.896 / 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) |
| Geometric albedo | 0.0849±0.022 |
| Absolute magnitude (H) | 11.59 |
905 Universitas is an S-type asteroid orbiting in the Main belt as part of the Flora family. Its diameter is about 21 km and it has an albedo of 0.085. Its rotation period is approximately 14.2 hours.
References
- "905 Universitas (1918 ES)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
- ^ Kryszczynska, A.; et al. (October 2012). "Do Slivan states exist in the Flora family?. I. Photometric survey of the Flora region" (PDF). Astronomy & Astrophysics. 546: 51. Bibcode:2012A&A...546A..72K. doi:10.1051/0004-6361/201219199. A72.
- "Supplemental IRAS Minor Planet Survey (SIMPS) and IRAS Minor Planet Survey (IMPS)". Archived from the original on 17 August 2009. Retrieved 26 December 2008.
External links
- 905 Universitas at AstDyS-2, Asteroids—Dynamic Site
- 905 Universitas at the JPL Small-Body Database
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