Tags: Planet.

261 Prymno is a somewhat large Main belt asteroid. It is classified as a B-type asteroid and probably has a primitive composition not unlike common C-type carbonaceous asteroids. It was discovered by C. H. F. Peters on October 31 1886 in Clinton New York and was named after the Greek Oceanid Prymno.

apoapsis (km)
3.80063e+11
average speed (km/s)
70236.0
orbital period (μ)
1.12326e+08
periapsis (km)
3.17429e+11
absolute magnitude
9.44
albedo
0.114
discovery date
1886-10-31
discoverer
Christian Heinrich Friedrich Peters
epoch
30 January 2005 (JD 2453400.5)
former name
n/a
rotation period (s)
28807.2

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