(139) Juewa Main-belt Asteroid
Discovered on 10 October 1874 by J. C. Watson at Peking.
Where Juewa is today
Seen from above the solar system on 2026-10-14: Juewa is 3.13 au from the Sun and 2.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 139 |
| Provisional designation | A874 TA |
| Orbit class | Main-belt Asteroid |
| Diameter | 151 km (#80 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0520 |
| Rotation period | 21.0 hours |
| Spectral type | CP |
| Absolute magnitude (H) | 8.04 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.31 – 3.26 au |
| Eccentricity | 0.170 |
| Inclination | 10.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. C. Watson
- (79) Eurynome
- (93) Minerva
- (94) Aurora
- (100) Hekate
- (101) Helena
- (103) Hera
- (104) Klymene
- (105) Artemis
- (106) Dione
- (115) Thyra
- (119) Althaea
- (121) Hermione
← (138) Tolosa · (140) Siwa →