2709 Sagan
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Discovery
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Discovered by | Edward L. G. Bowell |
Discovery date | March 21, 1982 |
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° |
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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