4946 Askalaphus
| Discovery | |
|---|---|
| Discovered by | Shoemaker, C. S. |
| Discovery site | Palomar |
| Discovery date | 21 January 1988 |
| Designations | |
| MPC designation | 4946 |
| 1988 BW1 | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 23825 days (65.23 yr) |
| Aphelion | 5.5891 AU (836.12 Gm) |
| Perihelion | 5.0500 AU (755.47 Gm) |
| 5.3196 AU (795.80 Gm) | |
| Eccentricity | 0.050665 |
| 12.27 yr (4481.37 d) | |
| 316.92° | |
| 0° 4m 49.199s / day | |
| Inclination | 21.861° |
| 59.038° | |
| 204.439° | |
| Earth MOID | 4.04367 AU (604.924 Gm) |
| Jupiter MOID | 0.310922 AU (46.5133 Gm) |
| Jupiter Tisserand parameter | 2.853 |
| Physical characteristics | |
| Dimensions | 57 km[2] |
| 22.731 h (0.9471 d) | |
| 10.1,[2] 10.1[1] | |
|
| |
4946 Askalaphus (1988 BW1) is a Jupiter Trojan discovered on January 21, 1988 by Shoemaker, C. S. at Palomar.
Photometric observations of this asteroid during 1992 were used to build a light curve showing a rotation period of 22.731 ± 0.018 hours with a brightness variation of 0.40 ± 0.01 magnitude.[2]
References
- 1 2 "4946 Askalaphus (1988 BW1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
- 1 2 3 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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