135 Hertha - Definition and Overview

**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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