Astronomy:446 Aeternitas
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Short description: Main belt Asteroid
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf A. Schwassmann |
| Discovery date | 27 October 1899 |
| Designations | |
| (446) Aeternitas | |
| Pronunciation | /iːˈtɜːrnɪtæs/ |
| Named after | Aeternitas |
| 1899 ER | |
| Minor planet category | Main belt |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 116.23 yr (42452 d) |
| |{{{apsis}}}|helion}} | 3.14078 astronomical unit|AU (469.854 Gm) |
| |{{{apsis}}}|helion}} | 2.43222 AU (363.855 Gm) |
| 2.78650 AU (416.854 Gm) | |
| Eccentricity | 0.12714 |
| Orbital period | 4.65 yr (1699.0 d) |
| Mean anomaly | 83.3875° |
| Mean motion | 0° 12m 42.811s / day |
| Inclination | 10.6270° |
| Longitude of ascending node | 42.0823° |
| 279.496° | |
| Physical characteristics | |
| Dimensions | 45.40±3.2 km[1] |
| Rotation period | 15.7413 h (0.65589 d)[1] |
| Geometric albedo | 0.2361±0.038[1] |
| A[1] | |
| Absolute magnitude (H) | 8.90[1] |
Aeternitas (minor planet designation: 446 Aeternitas) is a main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on 27 October 1899 in Heidelberg. It is classified as an A-type asteroid. The asteroid is roughly 45 km in diameter and has a high albedo.[1]
References
External links
- 446 Aeternitas at AstDyS-2, Asteroids—Dynamic Site
- 446 Aeternitas at the JPL Small-Body Database
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