375 Ursula: Difference between revisions
Content deleted Content added
m robot Adding: el:375 Ούρσουλα |
AndrewBuck (talk | contribs) refining link |
||
| Line 40: | Line 40: | ||
It was discovered by [[Auguste Charlois]] on September 18, 1893 in [[Nice]]. |
It was discovered by [[Auguste Charlois]] on September 18, 1893 in [[Nice]]. |
||
Observations of an [[occultation]] on November 15, 1984, produced six [[Chord ( |
Observations of an [[occultation]] on November 15, 1984, produced six [[Chord (astronomy)|chords]] indicating an estimated diameter of 216±10 km.<ref name=Millis1984>{{cite journal |
||
|last=Millis |first=R.L |
|last=Millis |first=R.L |
||
|coauthors=Wasserman, Bowell, Franz, Klemola, Dunham |
|coauthors=Wasserman, Bowell, Franz, Klemola, Dunham |
||
Revision as of 18:23, 11 July 2010
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | September 18, 1893 |
| Designations | |
| 1893 AL | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 517.593 Gm (3.46 AU) |
| Perihelion | 417.247 Gm (2.789 AU) |
| 467.42 Gm (3.125 AU) | |
| Eccentricity | 0.107 |
| 2017.268 d (5.52 a) | |
Average orbital speed | 16.85 km/s |
| 85.323° | |
| Inclination | 15.931° |
| 336.686° | |
| 344.757° | |
| Physical characteristics | |
| Dimensions | 216±10 km[1][2][3] |
| Mass | unknown |
Mean density | unknown |
| unknown | |
| unknown | |
| 16.83 hr[2] | |
| Albedo | unknown |
| Temperature | unknown |
Spectral type | unknown |
| 7.47[2] | |
375 Ursula (Template:Pron-en or /ˈɜrsələ/ UR-sə-lə) is one of the largest Main belt asteroids.
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.[1]
References
- ^ a b Millis, R.L (1984). "The diameter of 375 URSULA from its occultation of AG + 39 deg 303". Astronomical Journal. 89: 592–596. doi:10.1086/113553. Retrieved 2008-11-30.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ a b c "JPL Small-Body Database Browser: 375 Ursula (1893 AL)". Retrieved 2008-05-22.
- ^ "Occultation of UCAC2 12060928 by 375 Ursula". Royal Astronomical Society of New Zealand. 2008-05-27. Retrieved 2008-11-30.
External links
- Orbital simulation from JPL (Java) / Ephemeris
_mathilde.jpg){kind=small} | This article about an asteroid native to the asteroid belt is a stub. You can help Wikipedia by expanding it. |