(4629) Walford Main-belt Asteroid
Discovered on 7 October 1986 by E. F. Helin at Palomar.
Where Walford is today
Seen from above the solar system on 2026-10-14: Walford is 3.04 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4629 |
| Provisional designation | 1986 TD7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.67 km (#5,291 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.143 |
| Absolute magnitude (H) | 13.69 |
| Orbital period | 4.34 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.12 – 3.21 au |
| Eccentricity | 0.205 |
| Inclination | 11.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 October 1986
- (3783) Morris
- (3831) Pettengill
- (3850) Peltier
- (4091) Lowe
- (4859) Fraknoi
- (5951) Alicemonet
- (7561) Patrickmichel
- (9305) Hazard
- (19123) Stephenlevine
More named asteroids discovered by E. F. Helin
- (1982) Cline
- (2048) Dwornik
- (2050) Francis
- (2062) Aten
- (2074) Shoemaker
- (2083) Smither
- (2099) Opik
- (2100) Ra-Shalom
- (2128) Wetherill
- (2143) Jimarnold
- (2220) Hicks
- (2335) James
← (4628) Laplace · (4630) Chaonis →