(33553) Nagai
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)