Tags: Planet.

The asteroid 1620 Geographos /dʒiːoʊˈɡræfɒs/ was discovered on September 14 1951 at the Palomar Observatory by Albert George Wilson and Rudolph Minkowski. It was originally given the provisional designation 1951 RA. Its name a Greek word meaning geographer (geo– ‘Earth’ + graphos ‘drawer/writer’) was chosen to honour geographers and the National Geographic Society.Geographos is a Mars-crosser asteroid and a near-Earth object belonging to the Apollos.

1620Geographos_(Lightcurve_Inversion).png
apoapsis (km)
2.4881e+11
average speed (km/s)
93312.0
mass (kg)
2600.0
orbital period (μ)
4.38623e+07
periapsis (km)
1.23817e+11
temperature (K)
249.0
absolute magnitude
15.6
albedo
0.325
discovery date
1951-09-14
discoverer
Albert George Wilson, Rudolph Minkowski
epoch
March 6 2006 (JD 2453800.5)
escape velocity (kmh)
5.4
former name
1951 RA
rotation period (s)
18748.8

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