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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]
| 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] | |
| Asteroid belt | |
| Orbital characteristics[1][3] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 115.18 yr (42068 d) |
| Aphelion | 3.67325 AU (549.510 Gm) |
| Perihelion | 2.66507 AU (398.689 Gm) |
| 3.16916 AU (474.100 Gm) | |
| Eccentricity | 0.15906084 |
| 5.64 yr (2060.7 d) | |
| 197.66463° | |
| 0° 10m 28.913s / day | |
| Inclination | 11.517875° |
| 84.23348° | |
| 71.36554° | |
| Physical characteristics | |
| 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] |
| 32.666 h (1.3611 d)[1] | |
| 0.0589±0.005[1] | |
| C (Tholen)[1] B−V=0.691±0.06[1] U−B=0.368±0.030[1] | |
| 7.81[1] | |
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]
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