186 Celuta
Celuta (minor planet designation: 186 Celuta) is a 50 km Main belt asteroid. It was discovered by the French astronomers Paul Henry and Prosper Henry on April 6, 1878. This was the last discovery credited to the Prosper brothers. It is classified as an S-type asteroid.
3D convex shape model of 186 Celuta | |
| Discovery | |
|---|---|
| Discovered by | P. M. Henry, 1878 |
| Discovery date | 6 April 1878 |
| Designations | |
MPC designation | (186) Celuta |
| Pronunciation | /sɛˈluːtə/ |
Alternative designations | A878 GA; 1954 FD |
Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 132.36 yr (48343 d) |
| Aphelion | 2.7152 AU (406.19 Gm) |
| Perihelion | 2.0084 AU (300.45 Gm) |
Semi-major axis | 2.3618 AU (353.32 Gm) |
| Eccentricity | 0.14964 |
Orbital period (sidereal) | 3.63 yr (1325.8 d) |
Mean anomaly | 275.22° |
Mean motion | 0° 16m 17.544s / day |
| Inclination | 13.185° |
Longitude of ascending node | 14.769° |
| 315.65° | |
| Earth MOID | 1.01999 AU (152.588 Gm) |
| Jupiter MOID | 2.71546 AU (406.227 Gm) |
| TJupiter | 3.500 |
| Physical characteristics | |
| Dimensions | 49.99±1.6 km |
Synodic rotation period | 19.842 h (0.8268 d) |
| 0.1929±0.013 | |
| SK | |
| 8.91 | |
The asteroid is named after Céluta, a female character in two works of fiction by François-René de Chateaubriand, Atala (1801) and René (1802). The Henry brothers had already named another of their discoveries, 152 Atala, after the heroine of Atala. Both Atala and Céluta are American Indian fictional characters.
Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico during 2010 gave a light curve with a period of 19.842 ± 0.001 hours and a brightness variation of 0.54 ± 0.02 in magnitude.