556 Phyllis
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Main-belt asteroid
.png) A three-dimensional model of 556 Phyllis based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Paul Götz |
| Discovery site | Heidelberg |
| Discovery date | 8 January 1905 |
| Designations | |
| (556) Phyllis | |
| Pronunciation | /ˈfɪlɪs/ FIL-iss |
| 1905 PW | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 108.29 yr (39553 d) |
| Aphelion | 2.7179 AU (406.59 Gm) |
| Perihelion | 2.2115 AU (330.84 Gm) |
| 2.4647 AU (368.71 Gm) | |
| Eccentricity | 0.10273 |
| 3.87 yr (1413.4 d) | |
| 301.06° | |
| 0° 15m 16.956s / day | |
| Inclination | 5.2400° |
| 286.126° | |
| 177.439° | |
| Physical characteristics | |
| 18.905±0.55 km | |
| 4.293 h (0.1789 d) | |
| 0.1853±0.011 | |
| 9.56 | |
556 Phyllis is a minor planet orbiting the Sun. It is an S-type asteroid with a diameter of 38 km and a geometric albedo of 0.185. Based on photometric observations between 1998 and 2006, it has a synodic rotation period of 4.293 ± 0.001 hours.[2] The asteroid is named after Phyllis, a character in Greek mythology.
- ↑ "556 Phyllis (1905 PW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- ↑ Marciniak, A.; et al. (October 2007), "Photometry and models of selected main belt asteroids. IV. 184 Dejopeja, 276 Adelheid, 556 Phyllis" (PDF), Astronomy and Astrophysics, 473 (2): 633–639, Bibcode:2007A&A...473..633M, doi:10.1051/0004-6361:20077694.
External links
- 556 Phyllis at AstDyS-2, Asteroids—Dynamic Site
- 556 Phyllis at the JPL Small-Body Database
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