141 Lumen

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141 Lumen
Orbital characteristics 1
Orbit type Main belt (Eunomia)
Semimajor axis 2.665 AU
Perihelion distance 2.092 AU
Aphelion distance 3.239 AU
Orbital period 4.35 years
Inclination 11.88°
Eccentricity 0.215
Physical characteristics 1
Diameter 131 km
Rotation period 19.67 hours 2
Abs. magnitude 8.20
Albedo 3 0.054
History 4
Discoverer P. P. Henry, 1875

141 Lumen is a dark, large rocky asteroid 135 km in diameter (about the size of the island of Puerto Rico) near the inner edge of the Main belt within the Eunomia family of asteroids. It is not, however, physically related to the group.

It was discovered on January 13, 1875 by the brothers Paul Henry and Prosper Henry, but Paul is the one who was given the credit for this discovery. It is named after Lumen : Récits de l'infini, a book by the astronomer Camille Flammarion.

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