(450894) 2008 BT 18
|
Asteroid (450894) 2008 BT 18 |
|
|---|---|
| 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).