(33553) Nagai
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Asteroid (33553) Nagai |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Major semi-axis | 2.5640 AU |
| eccentricity | 0.0794 |
| Perihelion - aphelion | 2.3604 AU - 2.7677 AU |
| Inclination of the orbit plane | 6.8430 ° |
| Length of the ascending node | 125.7968 ° |
| Argument of the periapsis | 121.1501 ° |
| Time of passage of the perihelion | November 6, 2015 |
| Sidereal period | 4.11 a |
| Mean orbital velocity | 18.61 km / s |
| Physical Properties | |
| Medium diameter | 3.266 (± 0.572) km |
| Albedo | 0.346 (± 0.236) |
| Absolute brightness | 14.5 mag |
| history | |
| Explorer | Tomimaru Ōkuni |
| Date of discovery | May 11, 1999 |
| Another name | 1999 JQ 17 , 2000 RA 71 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(33553) Nagai is an asteroid of the main middle belt discovered on May 11, 1999 by the Japanese astronomer Tomimaru Ōkuni at the Observatory in Nan'yō ( IAU code 358), Yamagata Prefecture .
The asteroid was named on March 18, 2003 after Nagai in Yamagata Prefecture. There, on May 30, 1922, a meteorite of the type L6 ( olivine-hypersthene-chondrite ) of 1810 grams hit a rice field . The meteorite was also given the official name Nagai .
Web links
- (33553) Nagai in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (33553) Nagai in the Small-Body Database of the Jet Propulsion Laboratory .
- Discovery Circumstances of (33553) Nagai according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ The asteroid Nagai in the Meteoritical Bulletin (English)