(3855) Pasasymphonia Main-belt Asteroid
Discovered on 4 July 1986 by E. F. Helin at Palomar.
Where Pasasymphonia is today
Seen from above the solar system on 2026-10-14: Pasasymphonia is 1.83 au from the Sun and 1.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3855 |
| Provisional designation | 1986 NF1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.72 km (#9,355 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.341 |
| Rotation period | 6.51 hours |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.77 – 2.71 au |
| Eccentricity | 0.210 |
| Inclination | 6.84° |
| Closest distance between its orbit and Earth's (MOID) | 0.767 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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
← (3854) George · (3856) Lutskij →