846 Lipperta
Discovery[1] | |
---|---|
Discovered by | Gyllenberg, K. Bergedorf |
Discovery date | 26 November 1916 |
Designations | |
MPC designation | (846) Lipperta |
Minor planet category | Main belt[1] |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 99.23 yr (36245 d) |
Aphelion | 3.6963 AU (552.96 Gm) (Q) |
Perihelion | 2.5562 AU (382.40 Gm) (q) |
3.1262 AU (467.67 Gm) (a) | |
Eccentricity | 0.18235 (e) |
5.53 yr (2019.0 d) | |
27.575° (M) | |
0° 10m 41.916s / day (n) | |
Inclination | 0.26427° (i) |
261.44° (Ω) | |
129.22° (ω) | |
Physical characteristics | |
Mean radius | 26.205±0.7 km (IRAS) |
Mass | 1.5×1017 kg (assumed) |
Synodic rotation period | 1,641 h (68.4 d)[1][2] |
0.0506±0.003[1] | |
Absolute magnitude (H) | 10.26[1] |
846 Lipperta is a Themistian asteroid.
Based on lightcurve studies, Lipperta has a rotation period of 1641 hours, but this figure is based on less than full coverage, so that the period may be wrong by 30 percent or so.[1] The lack of variation in brightness could be caused by (a) very slow rotation, (b) near pole-on viewing aspect, or (c) a spherical body with uniform albedo.[2]
References[]
- ^ a b c d e f g "JPL Small-Body Database Browser: 846 Lipperta (1916 AT)" (2011-12-01 last obs). Jet Propulsion Laboratory. Retrieved 4 May 2016.
- ^ a b Buchheim, Robert K.; Gartrelle, Gordon M. (July 2011). "846 Lipperta: A Very Slow Rotator". The Minor Planet Bulletin. 38 (3): 151–153. Bibcode:2011MPBu...38..151B. ISSN 1052-8091.
External links[]
- 846 Lipperta at AstDyS-2, Asteroids—Dynamic Site
- 846 Lipperta at the JPL Small-Body Database
Categories:
- Minor planet object articles (numbered)
- Themis asteroids
- Discoveries by K. Gyllenberg
- Minor planets named for people
- Named minor planets
- Slow rotating minor planets
- CBU-type asteroids (Tholen)
- Astronomical objects discovered in 1916
- C-type main-belt-asteroid stubs