446 Aeternitas
From Biocrawler, the free encyclopedia.
| Discovery A (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
|---|---|
| Discoverer | M. Wolf, A. Schwassmann |
| Discovery date | October 27, 1899 |
| Alternate designations | 1899 ER B (http://cfa-www.harvard.edu/iau/MPDes.html) |
| Category | Main belt |
| Orbital elements C (http://asteroid.lowell.edu/) Epoch 30 January, 2005 (JD 2453400.5) | |
| Eccentricity (e) | 0.124 |
| Semi-major axis (a) | 417.217 Gm (2.789 AU) |
| Perihelion (q) | 365.544 Gm (2.444 AU) |
| Aphelion (Q) | 468.891 Gm (3.134 AU) |
| Orbital period (P) | 1701.161 d (4.66 a) |
| Mean orbital speed | 17.84 km/s |
| Inclination (i) | 10.624° |
| Longitude of the ascending node (Ω) | 42.153° |
| Argument of perihelion (ω) | 280.035° |
| Mean anomaly (M) | 273.482° |
| Physical characteristics | |
| Dimensions | 45.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | A |
| Absolute magnitude | 8.9 |
| Albedo | unknown |
| Mean surface temperature | unknown |
446 Aeternitas is a Main belt asteroid. It is classified as a A-type asteroid.
It was discovered by Max Wolf and A. Schwassmann on October 27, 1899 in Heidelberg.
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