External links
- List of Apollo asteroids – International Astronomical Union Minor Planet Center.
- (225416) 1999 YC at the JPL Small-Body Database
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| Discovery | |
|---|---|
| Discovered by | LINEAR |
| Discovery site | Lincoln Laboratory Experimental Test Site |
| Discovery date | 17 December 1999 |
| Designations | |
| Apollo asteroid | |
| Orbital characteristics | |
| Aphelion | 2.603 AU |
| Perihelion | 0.241 AU |
| 1.422 AU | |
| Eccentricity | 0.831 |
| 33.1° | |
| Inclination | 38.2° |
| 64.8° | |
| 156.4° | |
| Physical characteristics | |
| 17.0 | |
(225416) 1999 YC is an asteroid belonging to the Apollo group of near-Earth objects, whose orbit brings it close to Earth. It has a highly eccentric orbit, with an orbital eccentricity of 0.831, and an absolute magnitude of 17.0.
Like most asteroids, it is believed to have formed from the primordial solar nebula as fragments of planetesimals—material in the early Solar System that was not massive enough to become a planet. [1]
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