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).[4] 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.[1]
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 7 January 1896 |
| Designations | |
| (412) Elisabetha | |
| 1896 CK | |
| Main belt | |
| Orbital characteristics[1] | |
| 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) |
| 2.7635 AU (413.41 Gm) | |
| Eccentricity | 0.043648 |
| 4.59 yr (1,678.0 d) | |
| 1.07289° | |
| 0° 12m 52.344s / day | |
| Inclination | 13.767° |
| 106.47° | |
| 91.701° | |
| Physical characteristics | |
| Dimensions | 96.056±0.424 km[1] |
| Mass | (1.843 ± 0.850/0.441)×1018 kg[2] |
Mean density | 3.422 ± 1.578/0.819 g/cm3[2][a] |
| 19.635 h (0.8181 d) | |
| 0.044±0.005[1] | |
| 9.17[1] 8.97[3] | |
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.[5]
Notes
edit- ^ Assuming a diameter of 100.94 ± 1.4 km.
References
edit- ^ a b c d e Yeomans, Donald K., "412 Elisabetha", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
- ^ a b Fienga, A.; Avdellidou, C.; Hanuš, J. (February 2020). "Asteroid masses obtained with INPOP planetary ephemerides". 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
edit- 412 Elisabetha at AstDyS-2, Asteroids—Dynamic Site
- 412 Elisabetha at the JPL Small-Body Database
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