135 Hertha
|
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
---|---|
Orbit type | Main belt (Nysa) |
Semimajor axis | 2.429 AU |
Perihelion distance | 1.928 AU |
Aphelion distance | 2.930 AU |
Orbital period | 3.79 years |
Inclination | 2.31° |
Eccentricity | 0.206 |
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
Diameter | 79.2 km |
Rotation period | 8.398 hours |
Spectral class | M |
Abs. magnitude | 8.23 |
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.144 |
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
Discoverer | C. H. F. Peters, 1874 |
135 Hertha is a metal-rich, quite large main belt asteroid. It orbits among the Nysa asteroid family. Lightcurve data from Hertha indicates a flattened body [1] (http://www.astro.helsinki.fi/~kaselain/asteroids.html).
Hertha was discovered by C. H. F. Peters on February 18, 1874.
One occultation of a star by the asteroid has been observed, in 2000.
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(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |