1054 Forsytia
| Discovery | |
|---|---|
| Discovered by | Karl William Reinmuth |
| Discovery date | 20 November 1925 |
| Designations | |
Named after | Forsythia |
| A907 EA; 1925 WD; 1962 DD | |
| Main belt | |
| Orbital characteristics[1][2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 32993 days (90.33 yr) |
| Aphelion | 3.31914 AU (496.536 Gm) |
| Perihelion | 2.52286 AU (377.414 Gm) |
| 2.92100 AU (436.975 Gm) | |
| Eccentricity | 0.13630 |
| 4.99 yr (1823.5 d) | |
Average orbital speed | 17.35 km/s |
| 46.9387° | |
| 0.197427°/day | |
| Inclination | 10.8504° |
| 85.9441° | |
| 293.789° | |
| Earth MOID | 1.54859 AU (231.666 Gm) |
| Jupiter MOID | 2.19032 AU (327.667 Gm) |
| Physical characteristics | |
| Dimensions | 45.5 km |
Mean radius | 22.735 ± 2.15 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 |
| 7.650 h (0.3188 d) | |
Sidereal rotation period | 0.3188 d (7.650 h)[3] |
| ?° | |
Pole ecliptic latitude | ? |
Pole ecliptic longitude | ? |
| 0.0648 ± 0.014[2][4] | |
| Temperature | ~164 K |
| ? | |
| 10.4 | |
|
| |
(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.[5]
See also
References
- ↑
- 1 2 "JPL Small-Body Database Browser: 1054 Forsytia (1925 WD)". Jet Propulsion Laboratory. Retrieved 25 March 2016.
- ↑ 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 2014-01-04.
External links
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