375 Ursula
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | September 18, 1893 |
| Designations | |
| Pronunciation | /ˈɜːrsjʊlə/ or /ˈɜːrsələ/[1] |
| 1893 AL | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 3.46 AU (517.593 Gm) |
| Perihelion | 2.789 AU (417.247 Gm) |
| 3.125 AU (467.42 Gm) | |
| Eccentricity | 0.107 |
| 5.52 a (2017.268 d) | |
|
Average orbital speed
|
16.85 km/s |
| 85.323° | |
| Inclination | 15.931° |
| 336.686° | |
| 344.757° | |
| Physical characteristics | |
| Dimensions | 191.65 ± 4.01 km[2] 216±10 km[3][4][5] |
| Mass | (8.45 ± 5.26) × 1018[2] kg |
|
Mean density
|
2.29 ± 1.43[2] g/cm3 |
| 16.83 hr[4] | |
| 7.47[4] | |
375 Ursula is one of the largest asteroids from the asteroid belt. It was discovered by Auguste Charlois on September 18, 1893, in Nice.
Observations of an occultation on November 15, 1984, produced six chords indicating an estimated diameter of 216±10 km.[3]
Asteroid 375 Ursula (apparent magnitude 11.4) near the star TYC 581-36-1 (magnitude 11.9). The two galaxies are about magnitude 15.
References
- ↑ UR-sew-lə or UR-sə-lə
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found. See Table 1.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Orbital simulation from JPL (Java) / Ephemeris
<templatestyles src="Asbox/styles.css"></templatestyles>
_mathilde.jpg){kind=small} |
This article about an asteroid native to the asteroid belt is a stub. You can help Wikipedia by expanding it. |
