(4963) Kanroku Main-belt Asteroid
Discovered on 18 February 1977 by Kosai, H., Hurukawa, K. at Kiso.
Where Kanroku is today
Seen from above the solar system on 2026-10-14: Kanroku is 3.01 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4963 |
| Provisional designation | 1977 DR1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.3 km (#4,415 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.152 |
| Rotation period | 2.62 hours |
| Absolute magnitude (H) | 12.1 |
| Orbital period | 4.19 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.18 – 3.02 au |
| Eccentricity | 0.163 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 February 1977
- (2330) Ontake
- (2924) Mitake-mura
- (2960) Ohtaki
- (3249) Musashino
- (3391) Sinon
- (3607) Naniwa
- (4186) Tamashima
- (4812) Hakuhou
- (5017) Tenchi
- (5082) Nihonsyoki
- (7104) Manyousyu
- (7105) Yousyozan