5011 Ptah
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For the deity, see Ptah.
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.
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | C. van Houten I. van Houten T. Gehrels |
Discovery site | Palomar Obs. |
Discovery date | 24 September 1960 |
Designations | |
(5011) Ptah | |
Pronunciation | /ˈtɑː/[2] |
Named after | Ptah (Egyptian mythology)[3] |
6743 P-L · 1983 TF2 | |
Apollo · NEO · PHA [1][4] Mars-crosser | |
Orbital characteristics [1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 55.90 yr (20,419 days) |
Aphelion | 2.4533 AU |
Perihelion | 0.8181 AU |
1.6357 AU | |
Eccentricity | 0.4998 |
2.09 yr (764 days) | |
29.031° | |
0° 28m 15.96s / day | |
Inclination | 7.4075° |
10.780° | |
105.75° | |
Earth MOID | 0.0256 AU · 10 LD |
Physical characteristics | |
Mean diameter | 1.56 km (calculated)[5] |
0.20 (assumed)[5] | |
Q [5][6] | |
16.4[1][5] | |
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