Astronomy:491 Carina
From HandWiki
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 3 September 1902 |
| Designations | |
| (491) Carina | |
| 1902 JQ | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.62 yr (41501 d) |
| |{{{apsis}}}|helion}} | 3.4709 astronomical unit|AU (519.24 Gm) |
| |{{{apsis}}}|helion}} | 2.9118 AU (435.60 Gm) |
| 3.1914 AU (477.43 Gm) | |
| Eccentricity | 0.087591 |
| Orbital period | 5.70 yr (2082.4 d) |
| Mean anomaly | 295.527° |
| Mean motion | 0° 10m 22.368s / day |
| Inclination | 18.863° |
| Longitude of ascending node | 175.423° |
| 233.431° | |
| Physical characteristics | |
| Mean diameter | 91.176±0.469 km[1][2] |
| Mass | (1.353 ± 0.769/0.297)×1018 kg[2] |
| Mean density | 3.408 ± 1.937/0.749 g/cm3[2] |
| Rotation period | 15.153 h (0.6314 d) |
| Geometric albedo | 0.0743±0.006 |
| Absolute magnitude (H) | 9.0 |
491 Carina is a minor planet orbiting the Sun. On Feb 8, 2018, it occulted a star in the constellation Eridanus. [3]
References
- ↑ 1.0 1.1 "491 Carina (1902 JQ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=491;cad=1.
- ↑ 2.0 2.1 2.2 Fienga, A.; Avdellidou, C.; Hanuš, J. (February 2020). "Asteroid masses obtained with INPOP planetary ephemerides". Monthly Notices of the Royal Astronomical Society 492 (1): 589–602. doi:10.1093/mnras/stz3407. https://academic.oup.com/mnras/article/492/1/589/5658701.
- ↑ "RASNZ Occultation Section - Carina Occultation". Dec 7, 2025. https://occultations.org.nz/planet/2018/updates/180208_491_58328_u.htm.
External links
- 491 Carina at AstDyS-2, Asteroids—Dynamic Site
- 491 Carina at the JPL Small-Body Database
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