Tags: Planet.

5186 Donalu (1990 SB4) is a main-belt asteroid discovered on September 22 1990 by Roman B. at Palomar.

apoapsis (km)
4.18292e+11
orbital period (μ)
1.30692e+08
periapsis (km)
3.53288e+11
absolute magnitude
11.8
discovery date
1990-09-22
discoverer
Brian P. Roman
epoch
May 14 2008
former name
1990 SB4

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