(5720) Halweaver Mars-crossing Asteroid
Discovered on 29 March 1984 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
Where Halweaver is today
Seen from above the solar system on 2026-10-14: Halweaver is 2.82 au from the Sun and 3.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5720 |
| Provisional designation | 1984 FN |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 4.29 km (#12,059 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.310 |
| Rotation period | 3.89 hours |
| Absolute magnitude (H) | 13.84 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.59 – 3.00 au |
| Eccentricity | 0.308 |
| Inclination | 23.5° |
| Closest distance between its orbit and Earth's (MOID) | 0.770 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.