(450894) 2008 BT 18
Asteroid (450894) 2008 BT 18 |
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Properties of the orbit ( animation ) | |
Orbit type | Near-Earth asteroid, Apollo-type |
Major semi-axis | 2.2224 AU |
eccentricity | 0.5931 |
Perihelion - aphelion | 0.9044 AU - 3.5403 AU |
Inclination of the orbit plane | 8.1308 ° |
Sidereal period | 3.31 a |
Mean orbital velocity | 19.99 km / s |
Physical Properties | |
Medium diameter | approx. 600 m + 200 m |
Albedo | ? |
Rotation period | 2.726 h |
Absolute brightness | 18.3 mag |
Spectral class | ? |
history | |
Explorer | LINEAR |
Date of discovery | January 31, 2008 |
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. |
(450894) 2008 BT 18 is a double asteroid , which on July 14, 2008 at approximately 17:00 CEST the earth came up to 2,256,000 kilometers (5,87fache Moon distance) close.
(450894) 2008 BT 18 consists of two minor planets with a size of about 200 and 600 meters. It was discovered by LINEAR on January 31, 2008 . On July 6, 2008, BT 18 was identified as a double minor planet at the Arecibo Observatory in Puerto Rico in 2008 .
Web links
- (450894) 2008 BT18 in the Small-Body Database of the Jet Propulsion Laboratory (English).