Astronomy:992 Swasey
From HandWiki
| Discovery | |
|---|---|
| Discovered by | O. Struve |
| Discovery site | Williams Bay |
| Discovery date | 14 November 1922 |
| Designations | |
| (992) Swasey | |
| 1922 ND | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 93.41 yr (34118 days) |
| |{{{apsis}}}|helion}} | 3.2866 astronomical unit|AU (491.67 Gm) |
| |{{{apsis}}}|helion}} | 2.7715 AU (414.61 Gm) |
| 3.0291 AU (453.15 Gm) | |
| Eccentricity | 0.085029 |
| Orbital period | 5.27 yr (1925.6 d) |
| Mean anomaly | 133.184° |
| Mean motion | 0° 11m 13.056s / day |
| Inclination | 10.843° |
| Longitude of ascending node | 212.248° |
| 345.294° | |
| Physical characteristics | |
| Mean radius | 13.665±0.7 km |
| Rotation period | 13.308 h (0.5545 d) |
| Geometric albedo | 0.1132±0.013 |
| Absolute magnitude (H) | 10.5 |
992 Swasey is an asteroid, a minor planet orbiting the Sun. It was discovered by Otto Struve in 1922 at the Yerkes Observatory in Williams Bay, Wisconsin, United States. It is named after Ambrose Swasey of the Warner & Swasey Company, which built the 82-inch telescope named after Struve at McDonald Observatory.[2]
References
- ↑ "992 Swasey (1922 ND)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=992;cad=1.
- ↑ Lutz D. Schmadel (2011). Dictionary of Minor Planet Names. Addendum to Fifth Edition: 2006–2008. Springer. ISBN 978-3-642-01966-1. https://books.google.com/books?id=uwGbkbhMVyAC.
External links
- 992 Swasey at AstDyS-2, Asteroids—Dynamic Site
- 992 Swasey at the JPL Small-Body Database
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