4947 Ninkasi
4947 Ninkasi, provisional designation 1988 TJ1, is a sub-kilometer asteroid, classified as near-Earth object of the Amor group, approximately 520 meters in diameter. It was discovered on 12 October 1988, by American astronomer Carolyn Shoemaker at Palomar Observatory in California.
It was named after Ninkasi, the Sumerian goddess of wine and beer, who helped the god Lugalbanda rescue the tablets of fate from the demon Zu.[4]
With an absolute magnitude of 18.0,[2] the asteroid is about 670–1500 meters in diameter.[3] On 2031-Apr-20 the asteroid will pass 0.02917 AU (4,364,000 km; 2,712,000 mi) from Mars.[2]
References
- ^ "(4947) Ninkasi = 1988 TJ1". Minor Planet Center. Retrieved 4 June 2015.
- ^ a b c d e "JPL Small-Body Database Browser: 4947 Ninkasi (1988 TJ1)". Jet Propulsion Laboratory. Retrieved 13 April 2016.
- ^ a b "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 2 November 2017.
- ^ Dictionary of minor planet names, by Lutz D. Schmadel.
External links
- 4947 Ninkasi at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
- 4947 Ninkasi at ESA–space situational awareness
- Ephemerides · Observations · Orbit · Physical properties · Summary
- 4947 Ninkasi at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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