(4543) Phoinix Jupiter Trojan
Discovered on 2 February 1989 by C. S. Shoemaker at Palomar.
Where Phoinix is today
Seen from above the solar system on 2026-10-14: Phoinix is 5.63 au from the Sun and 6.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4543 |
| Provisional designation | 1989 CQ1 |
| Orbit class | Jupiter Trojan |
| Diameter | 63.8 km (#540 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0570 |
| Rotation period | 38.9 hours |
| Absolute magnitude (H) | 9.74 |
| Orbital period | 11.7 years |
| Semi-major axis | 5.15 au |
| Perihelion – aphelion | 4.65 – 5.65 au |
| Eccentricity | 0.0968 |
| Inclination | 14.7° |
| Closest distance between its orbit and Earth's (MOID) | 3.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 February 1989
- (4836) Medon
- (5063) Monteverdi
- (6302) Tengukogen
- (6709) Hiromiyuki
- (7699) Bozek
- (8831) Brandstrom
- (9577) Gropius
- (11037) Distler
- (15238) Hisaohori
- (21022) Ike
- (22291) Heitifer
- (30798) Graubunden