5011 Ptah

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5011 Ptah
Discovery
Discovered by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels
Discovery date September 24, 1960
Designations
Named after
Ptah
6743 P-L
Minor planet category Apollo
Mars crosser
Orbital characteristics
Epoch January 1, 2007 (JD 2488070.5)
Aphelion 2.450 AU (366.546 Gm)
Perihelion 0.818 AU (122.318 Gm)
1.634 AU
Eccentricity 0.500
2.092 a (763.949 d)
45.471 km/s
159.679°
Inclination 7.425°
9.556°
107.247°
Physical characteristics
Dimensions 1.1 - 2.6 km
h
17.1

5011 Ptah is a highly eccentric Mars crossing and Apollo asteroid, discovered in 1960 and named after an Egyptian god, Ptah. It passes within 30 Gm (0.2 AU) of Earth 15 times between 1900 and 2100, most recently on January 21, 2007, at 29.6 Gm. The next one will be in 2027 at 28.6 Gm

References[edit]