5011 Ptah

5011 Ptah
Discovery
Discovered byC. van Houten
I. van Houten
T. Gehrels
Discovery sitePalomar Obs.
Discovery date24 September 1960
Designations
(5011) Ptah
Pronunciation/ˈtɑː/
Named after
Ptah
(Egyptian mythology)
6743 P-L · 1983 TF2
Apollo · NEO · PHA
Mars-crosser
Orbital characteristics
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc55.90 yr (20,419 days)
Aphelion2.4533 AU
Perihelion0.8181 AU
1.6357 AU
Eccentricity0.4998
2.09 yr (764 days)
29.031°
0° 28m 15.96s / day
Inclination7.4075°
10.780°
105.75°
Earth MOID0.0256 AU · 10 LD
Physical characteristics
1.56 km (calculated)
0.20 (assumed)
Q
16.4

    5011 Ptah (/ˈtɑː/; prov. designation: 6743 P-L) is a near-Earth object and potentially hazardous asteroid of the Apollo group. It was discovered by astronomers with the Palomar–Leiden survey on 24 September 1960. The rare O-type asteroid on an eccentric orbit measures approximately 1.6 kilometers (1 mile) in diameter. It was named after the Ancient Egyptian deity Ptah.