1054 Forsytia
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| Discovery and designation | |
|---|---|
| Discovered by | Karl William Reinmuth |
| Discovery date | November 20, 1925 |
| Designations | |
| Named after | Forsythia |
| Alternative names | A907 EA; 1925 WD; 1962 DD |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch April 10, 2007 (JD 2454200.5) | |
| Aphelion | 497.554 Gm (3.326 AU) |
| Perihelion | 375.654 Gm (2.511 AU) |
| Semi-major axis | 436.604 Gm (2.919 AU) |
| Eccentricity | 0.140 |
| Orbital period | 1821.135 d(4.99 a) |
| Average orbital speed | 17.35 km/s |
| Mean anomaly | 134.413° |
| Inclination | 10.864° |
| Longitude of ascending node | 86.067° |
| Argument of perihelion | 294.422° |
| Physical characteristics | |
| Dimensions | 45.5 km |
| Mass | 9.9×1016? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0127? m/s² |
| Equatorial escape velocity | 0.0241? km/s |
| Sidereal rotation period | 0.3188 d (7.650 h)[1] |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.0648±0.014[2] |
| Temperature | ~164 K |
| Spectral type | ? |
| Absolute magnitude (H) | 10.3 |
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(1054) Forsytia is an asteroid discovered on 20 November 1925 by German astronomer Karl William Reinmuth in Heidelberg. Its provisional designation was 1925 WD.
It is named after the Forsythia genus of flowering shrubs.[3]
See also
References
- ↑ Gross, J.; Minor Planet Bulletin, No. 30, pp. 44-46 (2003)
- ↑ IRAS-A-FPA-3-RDR-IMPS-V6.0
- ↑ Schmadel, Lutz (1992). Dictionary of Minor Planet Names, Volym 1. Berlin: Springer Verlag. ISBN 3-540-00238-3. Retrieved 14-01-04.
External links
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