Discovery | |
---|---|
Discovered by | Max Wolf |
Discovery date | 7 January 1896 |
Designations | |
MPC designation | (412) Elisabetha |
Alternative designations | 1896 CK |
Minor planet category | Main belt |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 117.65 yr (42970 d) |
Aphelion | 2.8841 AU (431.46 Gm) |
Perihelion | 2.64290 AU (395.372 Gm) |
Semi-major axis | 2.7635 AU (413.41 Gm) |
Eccentricity | 0.043648 |
Orbital period (sidereal) | 4.59 yr (1,678.0 d) |
Mean anomaly | 1.07289° |
Mean motion | 0° 12 52.344 / day |
Inclination | 13.767° |
Longitude of ascending node | 106.47° |
Argument of perihelion | 91.701° |
Physical characteristics | |
Dimensions | 96.056±0.424 km |
Mass | (1.843 ± 0.850/0.441)×10 kg |
Mean density | 3.422 ± 1.578/0.819 g/cm |
Synodic rotation period | 19.635 h (0.8181 d) |
Geometric albedo | 0.044±0.005 |
Absolute magnitude (H) | 9.17 8.97 |
412 Elisabetha is a large main belt asteroid that was discovered by German astronomer Max Wolf on 7 January 1896 in Heidelberg. It may have been named after his mother, Elise Wolf (née Helwerth). This minor planet is orbiting at a distance of 2.76 AU from the Sun with a period of 4.59 years and an orbital eccentricity (ovalness) of 0.044. The orbital plane is inclined at an angle of 13.8° to the plane of the ecliptic.
This asteroid is rotating with a period of 19.65618±0.00004 h. Shape models and stellar occultations provide an estimated diameter of 97+7
−14 km. Older diameter estimates range from 76.38±2.114 to 111.12±22.22 km.
Notes
- Assuming a diameter of 100.94 ± 1.4 km.
References
- ^ Yeomans, Donald K., "412 Elisabetha", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
- ^ Fienga, A.; Avdellidou, C.; Hanuš, J. (February 2020). "Asteroid masses obtained with INPOP planetary ephemerides" (PDF). Monthly Notices of the Royal Astronomical Society. 492 (1). doi:10.1093/mnras/stz3407.
- Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, vol. 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
- Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names, Springer, p. 47, ISBN 3642297188.
- Marciniak, A.; Ďurech, J.; Choukroun, A.; Hanuš, J.; Ogłoza, W.; Szakáts, R.; Molnár, L.; Pál, A.; Monteiro, F.; Frappa, E.; Beisker, W.; Pavlov, H.; Moore, J.; et al. (November 2023). "Scaling slowly rotating asteroids with stellar occultations". Astronomy & Astrophysics. 679. id. A60. arXiv:2310.08995. Bibcode:2023A&A...679A..60M. doi:10.1051/0004-6361/202346191.
External links
- 412 Elisabetha at AstDyS-2, Asteroids—Dynamic Site
- 412 Elisabetha at the JPL Small-Body Database
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