92 Undina - Definition and Overview

**92 Undina**
Orbital characteristics ^{1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)}
Orbit type	Main belt
Semimajor axis	3.190 AU
Perihelion distance	2.871 AU
Aphelion distance	3.509 AU
Orbital period	5.70 years
Inclination	9.92°
Eccentricity	0.100
Physical characteristics ^{1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)}
Diameter	126.4 km
Rotation period ^{3 (http://charlie.psi.edu/pds/)}	15.94 hours
Spectral class	M
Abs. magnitude	6.61
Albedo ^{4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html)}	0.251
History ^{2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)}
Discoverer	C. H. F. Peters, 1867

92 Undina is a large main belt asteroid. It has a very bright surface and it is probably composed of pure nickel-iron.

It was discovered by C. H. F. Peters on July 7, 1867. It is named the eponymous heroine of Undine, a popular novella by Friedrich de la Motte Fouqué.

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