Astronomy:488 Kreusa
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Short description: Main-belt asteroid
| Discovery[1] | |
|---|---|
| Discovered by | Max Wolf Luigi Carnera |
| Discovery site | Heidelberg |
| Discovery date | 26 June 1902 |
| Designations | |
| (488) Kreusa | |
| Pronunciation | /kriːˈuːsə/[2] |
| 1902 JG, 1947 KH, 1977 YD, A901 CA, A905 XA[1] | |
| Minor planet category | Asteroid belt |
| Orbital characteristics[1][3] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 115.18 yr (42068 d) |
| |{{{apsis}}}|helion}} | 3.67325 astronomical unit|AU (549.510 Gm) |
| |{{{apsis}}}|helion}} | 2.66507 AU (398.689 Gm) |
| 3.16916 AU (474.100 Gm) | |
| Eccentricity | 0.15906084 |
| Orbital period | 5.64 yr (2060.7 d) |
| Mean anomaly | 197.66463° |
| Mean motion | 0° 10m 28.913s / day |
| Inclination | 11.517875° |
| Longitude of ascending node | 84.23348° |
| 71.36554° | |
| Physical characteristics | |
| Mean radius | 75.065±3.2 km[1] 81.16 ± 4.77 km[4] |
| Mass | (2.48 ± 1.14) × 1018 kg[4] |
| Mean density | 1.10 ± 0.54 g/cm3[4] |
| Rotation period | 32.666 h (1.3611 d)[1] |
| Geometric albedo | 0.0589±0.005[1] |
| C (Tholen)[1] B−V=0.691±0.06[1] U−B=0.368±0.030[1] | |
| Absolute magnitude (H) | 7.81[1] |
Kreusa (minor planet designation: 488 Kreusa) is a C-type asteroid orbiting the Sun in the asteroid belt, with the type indicating a surface with a low albedo and high carbonaceous content. The spectra of the asteroid displays evidence of aqueous alteration.[5]
In 2002, Kreusa was detected by radar from the Arecibo Observatory at a distance of 1.67 AU. The resulting data yielded an effective diameter of 150±21 km.[6]
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 "488 Kreusa (1902 JG)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=488;cad=1.
- ↑ "Creüsa". Dictionary.com Unabridged. Random House. https://www.dictionary.com/browse/Cre%C3%BCsa.
- ↑ AstDys-2 on (488) Kreusa Retrieved 2012-01-03
- ↑ 4.0 4.1 4.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73 (1): 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode: 2012P&SS...73...98C.See Table 1.
- ↑ Fornasier, S. et al. (February 1999), "Spectroscopic comparison of aqueous altered asteroids with CM2 carbonaceous chondrite meteorites", Astronomy and Astrophysics Supplement 135: 65−73, doi:10.1051/aas:1999161, Bibcode: 1999A&AS..135...65F.
- ↑ Magri, Christopher et al. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999 2003", Icarus 186 (1): 126–151, doi:10.1016/j.icarus.2006.08.018, Bibcode: 2007Icar..186..126M, http://echo.jpl.nasa.gov/asteroids/MBAs/magri.etal.2007.mbas.pdf, retrieved 2015-04-14.
External links
- 488 Kreusa at AstDyS-2, Asteroids—Dynamic Site
- 488 Kreusa at the JPL Small-Body Database
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