485 Genua
| Discovery | |
|---|---|
| Discovered by | Luigi Carnera |
| Discovery site | Heidelberg |
| Discovery date | 7 May 1902 |
| Designations | |
| Pronunciation | /ˈdʒɛnjuə/[1] |
| 1902 HZ | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.54 yr (40740 d) |
| Aphelion | 3.2774 AU (490.29 Gm) |
| Perihelion | 2.2180 AU (331.81 Gm) |
| 2.7477 AU (411.05 Gm) | |
| Eccentricity | 0.19278 |
| 4.55 yr (1663.6 d) | |
| 117.881° | |
| 0° 12m 59.04s / day | |
| Inclination | 13.868° |
| 193.440° | |
| 272.535° | |
| Physical characteristics | |
| Dimensions | 56.31 ± 4.15 km[3] (composite estimate) 63.88±2.9 km[2] |
| Mass | (5.2±2.5)×1017 kg[4][a] |
Mean density | 3.85 g/cm3[4][b] |
| 17.59 h (0.733 d) | |
| 0.2072±0.020 | |
| 8.2 | |
485 Genua is a minor planet orbiting the Sun.
Notes
[edit]- ↑ Calculated from its standard gravitational parameter GM = 0.035±0.017 km3/s2.
- ↑ Assuming a diameter of 63.9 km.
References
[edit]- ↑ Noah Webster (1884) A Practical Dictionary of the English Language
- 1 2 "485 Genua (1902 HZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 May 2016.
- ↑ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- 1 2 Fuentes-Muñoz, Oscar; Farnocchia, Davide; Giorgini, Jon D.; Park, Ryan S. (1 December 2025). "Asteroid Mass Estimation by Mutual Perturbations During Close Encounters After Gaia Focused Product Release". The Astronomical Journal. 170 (6): 353. Bibcode:2025AJ....170..353F. doi:10.3847/1538-3881/ae0cc9. ISSN 0004-6256. S2CID 283347135.
External links
[edit]- 485 Genua at AstDyS-2, Asteroids—Dynamic Site
- 485 Genua at the JPL Small-Body Database
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