141 Lumen
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| 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 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 131 km |
| Rotation period | 19.67 hours 2 (http://www.psi.edu/pds/archive/lc.html) |
| Abs. magnitude | 8.20 |
| Albedo 3 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.054 |
| History 4 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| 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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