astro.wikisort.org - Asteroid
1905 Ambartsumian, provisional designation 1972 JZ, is an asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 14 May 1972, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory, Nauchnyj, on the Crimean peninsula.[5] The asteroid was named after theoretical astrophysicist Victor Ambartsumian.[2]
 Lightcurve-based 3D-model of Ambartsumian | |
| Discovery[1] | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 14 May 1972 |
| Designations | |
MPC designation | (1905) Ambartsumian |
Named after | Victor Ambartsumian (theoretical astrophysicist)[2] |
Alternative designations | 1972 JZ · 1932 FC 1952 HO3 · 1959 QD 1962 JX · 1969 PF 1976 SS5 |
Minor planet category | main-belt · (inner) |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 84.99 yr (31,043 days) |
| Aphelion | 2.5842 AU |
| Perihelion | 1.8624 AU |
Semi-major axis | 2.2233 AU |
| Eccentricity | 0.1623 |
Orbital period (sidereal) | 3.32 yr (1,211 days) |
Mean anomaly | 224.81° |
Mean motion | 0° 17m 50.28s / day |
| Inclination | 2.6158° |
Longitude of ascending node | 201.37° |
Argument of perihelion | 61.590° |
| Physical characteristics | |
| Dimensions | 8.008±0.417 km[3] 12±5 km (generic)[4] |
Geometric albedo | 0.229±0.037[3] |
Absolute magnitude (H) | 12.8[1] |
Orbit and classification
Ambartsumian orbits the Sun in the inner main-belt at a distance of 1.9–2.6 AU once every 3 years and 4 months (1,211 days). Its orbit has an eccentricity of 0.16 and an inclination of 3° with respect to the ecliptic.[1] It was first identified as 1932 FC at Simeiz Observatory in 1932, extending the body's observation arc by 40 years prior to its official discovery observation.[5]
Physical characteristics
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Ambartsumian measures 8.0 kilometers in diameter and its surface has an albedo of 0.23.[3] When using a generic diameter-to-magnitude conversion, it has a diameter of 7–17 kilometers, based on an absolute magnitude of 12.8 and an albedo in the range of 0.05–0.25, which accounts for both the brighter stony as well as for the darker carbonaceous spectral types.[4] As of 2017, Ambartsumian's composition, rotation period and shape remain unknown.[1][6]
Naming
This minor planet was named after Soviet–Armenian theoretical astrophysicist Victor Ambartsumian (1908–1996), founder of the Soviet School for Astrophysics, president of the Academy of Sciences of the Armenian SSR, director of the Byurakan Observatory, and president of the IAU (1961–1964).[2] The official naming citation was published by the Minor Planet Center on 20 February 1976 (M.P.C. 3937).[7]
References
- "JPL Small-Body Database Browser: 1905 Ambartsumian (1972 JZ)" (2017-03-29 last obs.). Jet Propulsion Laboratory. Archived from the original on 20 December 2016. Retrieved 9 June 2017.
- Schmadel, Lutz D. (2007). "(1905) Ambartsumian". Dictionary of Minor Planet Names – (1905) Ambartsumian. Springer Berlin Heidelberg. p. 153. doi:10.1007/978-3-540-29925-7_1906. ISBN 978-3-540-00238-3.
- Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 10 December 2016.
- "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 12 November 2017.
- "1905 Ambartsumian (1972 JZ)". Minor Planet Center. Retrieved 11 December 2016.
- "LCDB Data for (1905) Ambartsumian". Asteroid Lightcurve Database (LCDB). Retrieved 9 June 2017.
- Schmadel, Lutz D. "Appendix – Publication Dates of the MPCs". Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008). Springer Berlin Heidelberg. p. 221. doi:10.1007/978-3-642-01965-4. ISBN 978-3-642-01964-7.
External links
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 1905 Ambartsumian at AstDyS-2, Asteroids—Dynamic Site
- 1905 Ambartsumian at the JPL Small-Body Database
На других языках
[de] (1905) Ambartsumian
(1905) Ambartsumian (1972 JZ; 1932 FC; 1952 HO3; 1959 QD; 1962 JX; 1969 PF; 1976 SS5) ist ein Asteroid des Hauptgürtels, der am 14. März 1972 von Tamara Michailowna Smirnowa im Krim-Observatorium entdeckt wurde.- [en] 1905 Ambartsumian
[es] (1905) Ambartsumian
(1905) Ambartsumian es un asteroide perteneciente al cinturón de asteroides descubierto por Tamara Mijáilovna Smirnova desde el Observatorio Astrofísico de Crimea, Naúchni, el 14 de mayo de 1972.[ru] (1905) Амбарцумян
(1905) Амбарцумян — астероид из главного пояса. Назван в честь советского астронома и астрофизика XX века, Дважды Героя Социалистического Труда Виктора Амбарцумяна. Имеет небольшой наклон орбиты. Открыт 14 мая 1972 года.Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
WikiSort.org - проект по пересортировке и дополнению контента Википедии