207 Hedda

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207 Hedda
Discovery
Discovered by Johann Palisa
Discovery date October 17, 1879
Designations
Alternative names 1932 CL1, 1934 XJ,
1953 BF
Minor planet category Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 351.538 Gm (2.35 AU)
Perihelion 331.773 Gm (2.218 AU)
Semi-major axis 341.655 Gm (2.284 AU)
Eccentricity 0.029
Orbital period 1260.619 d (3.45 a)
Average orbital speed 19.71 km/s
Mean anomaly 275.242°
Inclination 3.804°
Longitude of ascending node 29.292°
Argument of perihelion 193.504°
Physical characteristics
Dimensions 59.0 km
Mass unknown
Mean density unknown
Equatorial surface gravity unknown
Escape velocity unknown
Rotation period unknown
Albedo 0.055
Temperature unknown
Spectral type C
Absolute magnitude (H) 9.92

207 Hedda is a sizeable Main belt asteroid. It is a C-type asteroid, meaning it is primitive in composition and dark in colour.

It was discovered by Johann Palisa on October 17, 1879 in Pola and was named after Hedwig, wife of astronomer Friedrich A. T. Winnecke.

References[edit]