135 Hertha

135 Hertha

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135 Hertha

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Description:
<!-- Additional parameters for this template are available at Infobox Planet. -->

<!-- Commented out - source unknown
| mass=5.2 
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-->135 Hertha is a large main-belt asteroid. Named Hertha, another name for Nerthus, a Germanic fertility goddess. It orbits among the Nysa asteroid family but its classification as an M-type asteroid does not match the more common F-type asteroid for this family, suggesting that it may be an interloper. Spectroscopic analysis indicates the possible presence of hydrated silicates indicating that 135 Hertha should possibly be reclassified from its present M-type to the proposed W-type.

Lightcurve data from Hertha indicates a flattened body, and radar observations indicate that Hertha is non-metallic. One occultation of a star by the asteroid has been observed, in 2000.

Discovery

Hertha was discovered by C. H. F. Peters on February 18, 1874, in Clinton, New York. Further observations were carried out in 1883 by W. T. Sampson and communicated to Astronomische Nachrichten on his behalf by Rear Admiral .

Physical properties

After its discovery in 1874 and subsequent observations in 1884 had established Hertha's orbit, astronomers began investigation of its physical properties. As early as 1904 G. W. Hill reported observations of...
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