2709 Sagan

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