Tags: Planet.

8489 Boulder (1989 TA3) is a main-belt asteroid discovered on October 7 1989 by E. W. Elst at the European Southern Observatory.

apoapsis (km)
5.25053e+11
orbital period (μ)
1.75902e+08
periapsis (km)
4.15523e+11
absolute magnitude
13.6
discovery date
1989-10-07
discoverer
Eric Walter Elst
epoch
May 14 2008
former name
1989 TA3

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