4791 Iphidamas
| Discovery | |
|---|---|
| Discovered by | Shoemaker, C. S. |
| Discovery site | Palomar |
| Discovery date | 14 August 1988 |
| Designations | |
| MPC designation | 4791 |
| 1988 PB1 | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 10029 days (27.46 yr) |
| Aphelion | 5.4043 AU (808.47 Gm) |
| Perihelion | 4.9209 AU (736.16 Gm) |
| 5.1626 AU (772.31 Gm) | |
| Eccentricity | 0.046818 |
| 11.73 yr (4284.55 d) | |
| 24.5646° | |
| 0° 5m 2.483s / day | |
| Inclination | 25.967° |
| 261.456° | |
| 165.820° | |
| Earth MOID | 3.93887 AU (589.247 Gm) |
| Jupiter MOID | 0.102307 AU (15.3049 Gm) |
| Jupiter Tisserand parameter | 2.797 |
| Physical characteristics | |
| Dimensions | 62 km[2] |
Mean radius | 28.925 ± 2 km |
| 9.696 h (0.4040 d) | |
| 0.0579 ± 0.009 | |
| 10.0 | |
|
| |
4791 Iphidamas (1988 PB1) is a Jupiter Trojan discovered on August 14, 1988 by Shoemaker, C. S. at Palomar.
Photometric observations of this asteroid during 1993 were used to build a light curve showing a rotation period of 9.727 ± 0.011 hours with a brightness variation of 0.49 ± 0.02 magnitude.[2]
References
- ↑ "4791 Iphidamas (1988 PB1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016.
- 1 2 Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; Hahn, Gerhard; Schober, Hans-Josef; Lahulla, Felix; Delbò, Marco; Lagerkvist, Claes-Ingvar (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal 141 (5): 170. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170.
External links
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