2709 Sagan
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Discovery
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| Discovered by | Edward L. G. Bowell |
| Discovery date | March 21, 1982 |
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Designations
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| Alternative names | 1951 WF1; 1959 CC; 1959 EA1; 1964 WT; 1982 FE2; 1982 FH |
| Minor planet category |
Main belt (Flora family) |
| Epoch June 14, 2006 (JD 2453900.5) | |
| Aphelion | 351.134 Gm (2.347 AU) |
| Perihelion | 305.739 Gm (2.044 AU) |
| Semi-major axis | 328.437 Gm (2.195 AU) |
| Eccentricity | 0.069 |
| Orbital period | 1188.195 d (3.25 a) |
| Average orbital speed | 20.08 km/s |
| Mean anomaly | 157.291° |
| Inclination | 2.733° |
| Longitude of ascending node | 241.289° |
| Argument of perihelion | 308.010° |
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Physical characteristics
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| Dimensions | 20.2 km |
| Mass | 8.6×1015? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0056? m/s² |
| Escape velocity | 0.0107? km/s |
| Rotation period | ? d |
| Albedo | 0.10? |
| Temperature | ~188 K |
| Spectral type | S |
| Absolute magnitude | 13.3 |
2709 Sagan is a small main belt asteroid, which was discovered by Edward L. G. Bowell in 1982. It is named after the late astronomer Carl Sagan.
Sagan is an S-type asteroid, meaning that it is bright in colour and metallic in composition.
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