Astronomy:342 Endymion
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Short description: Main-belt asteroid
 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 17 October 1892 |
| Designations | |
| (342) Endymion | |
| Pronunciation | /ɛnˈdɪmiən/[1] |
| Named after | Endymion |
| 1892 K | |
| Minor planet category | Main belt König · Bower |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 115.38 yr (42141 d) |
| |{{{apsis}}}|helion}} | 2.89687 astronomical unit|AU (433.366 Gm) |
| |{{{apsis}}}|helion}} | 2.24079 AU (335.217 Gm) |
| 2.56883 AU (384.291 Gm) | |
| Eccentricity | 0.12770 |
| Orbital period | 4.12 yr (1503.8 d) |
| Mean anomaly | 335.858° |
| Mean motion | 0° 14m 21.793s / day |
| Inclination | 7.34850° |
| Longitude of ascending node | 232.690° |
| 224.708° | |
| Physical characteristics | |
| Dimensions | 60.63±2.8 km |
| Rotation period | 6.319 h (0.2633 d) |
| Geometric albedo | 0.0393±0.004 |
| Absolute magnitude (H) | 10.22 |
Endymion (minor planet designation: 342 Endymion) is a large Main belt asteroid.[2] It was discovered by Max Wolf on 17 October 1892 in Heidelberg. It was the first asteroid to receive the name of a male god.[3]
References
- ↑ "Endymion". Merriam-Webster Dictionary. https://www.merriam-webster.com/dictionary/Endymion.
- ↑ 2.0 2.1 "342 Endymion (1892 K)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=342;cad=1.
- ↑ Lutz D. Schmadel, Dictionary of minor planet names (6th Edition), p. 42. Springer Verlag, Berlin/Heidelberg 2012, ISBN 3-642-29717-X
External links
- 342 Endymion at AstDyS-2, Asteroids—Dynamic Site
- 342 Endymion at the JPL Small-Body Database
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