C/1999 S4
| Use attributes for filter ! | |
| Discovered | September 27, 1999 |
|---|---|
| Perihelion | 114. 4559338 billion m |
| Inclination | 149. 38° |
| Discoverer | Lincoln Near-Earth Asteroid Research |
| Last perihelion | July 26, 2000 |
| Orbital eccentricity | 1. 00010 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2956961 |
About C/1999 S4
C/1999 S4 is a long-period comet discovered on September 27, 1999, by LINEAR. The comet made its closest approach to the Earth on July 22, 2000, at a distance of 0. 3724 AU. It came to perihelion on July 26, 2000, at a distance of 0. 765 AU from the Sun. The comet nucleus was estimated to be about 0. 9 km in diameter.