astro.wikisort.org - Asteroid3406 Omsk, provisional designation 1969 DA, is a background asteroid from the central regions of the asteroid belt, approximately 15 kilometers (9.3 miles) in diameter. It was discovered on 21 February 1969, by Soviet astronomer Bella Burnasheva at the Crimean Astrophysical Observatory on the Crimean peninsula in Nauchnij.[1] The possibly metallic M/X-type asteroid has a rotation period of 7.3 hours.[5] It was named for the Russia city of Omsk.[1]
3406 Omsk|
Discovered by | B. Burnasheva |
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Discovery site | Crimean Astrophysical Obs. |
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Discovery date | 21 February 1969 |
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MPC designation | (3406) Omsk |
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Named after | Omsk (Russian city) [1] |
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Alternative designations | 1969 DA · 1951 KA1 1983 CH3 |
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Minor planet category | main-belt [1][2] · (middle) background [3] |
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Epoch 23 March 2018 (JD 2458200.5) |
Uncertainty parameter 0 |
Observation arc | 48.69 yr (17,783 d) |
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Aphelion | 3.1645 AU |
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Perihelion | 2.4279 AU |
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Semi-major axis | 2.7962 AU |
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Eccentricity | 0.1317 |
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Orbital period (sidereal) | 4.68 yr (1,708 d) |
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Mean anomaly | 124.44° |
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Mean motion | 0° 12m 38.88s / day |
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Inclination | 8.3583° |
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Longitude of ascending node | 269.84° |
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Argument of perihelion | 310.19° |
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Mean diameter | 13.43±0.58 km[4] 14.42 km (derived)[5] 14.68±1.3 km[6] 16.058±0.217 km[7][8] 16.59±0.48 km[9] |
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Synodic rotation period | 7.275±0.006 h[10] |
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Geometric albedo | 0.1569±0.0358[8] 0.1619 (derived)[5] 0.201±0.013[9] 0.224±0.023[4] 0.2476±0.050[6] |
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Spectral type | SMASS = X [2] M [8] · C [5][11] |
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Absolute magnitude (H) | 11.30[6][9] 11.60[4][8] 11.8[2][5] 12.25±0.42[11] |
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Orbit and classification
Omsk is a non-family asteroid from the main belt's background population.[3] It orbits the Sun in the central asteroid belt at a distance of 2.4–3.2 AU once every 4 years and 8 months (1,708 days; semi-major axis of 2.8 AU). Its orbit has an eccentricity of 0.13 and an inclination of 8° with respect to the ecliptic.[2]
The asteroid was first observed as 1951 KA1 at McDonald Observatory in May 1951. The body's observation arc begins with its official discovery observation at Nauchnij in February 1969.[1]
Physical characteristics
In the SMASS classification, Omsk is an X-type asteroid.[2] It has also been characterized as a metallic M-type and carbonaceous C-type by the Wide-field Infrared Survey Explorer (WISE) and Pan-STARRS, respectively.[5][8][11]
Rotation period
In May 2007, a rotational lightcurve of Omsk was obtained from photometric observations at the Mount Tarana Observatory (431) in Bathurst, Australia. Lightcurve analysis gave a well-defined rotation period of 7.275 hours with a brightness amplitude of 0.28 magnitude (U=3).[5][10]
Diameter and albedo
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's WISE telescope, Omsk measures between 13.43 and 16.59 kilometers in diameter and its surface has an albedo between 0.1569 and 0.2476.[4][6][7][8][9]
The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1619 and a diameter of 14.42 kilometers based on an absolute magnitude of 11.8.[5]
Naming
This minor planet was named after the Siberian city of Omsk, the discoverer's birthplace and the administrative center of Omsk Oblast, Russia.[1] The official naming citation was published by the Minor Planet Center on 18 February 1992 (M.P.C. 19693).[12]
References
- "3406 Omsk (1969 DA)". Minor Planet Center. Retrieved 14 May 2018.
- "JPL Small-Body Database Browser: 3406 Omsk (1969 DA)" (2017-10-30 last obs.). Jet Propulsion Laboratory. Retrieved 14 May 2018.
- "Asteroid 3406 Omsk – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
- 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.
- "LCDB Data for (3406) Omsk". Asteroid Lightcurve Database (LCDB). Retrieved 14 May 2018.
- Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
- Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68.
- Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. (catalog)
- Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
- Bembrick, Collin; Crawford, Greg (December 2007). "The Rotation Period of 3406 Omsk". The Minor Planet Bulletin. 34 (4): 128–129. Bibcode:2007MPBu...34..128B. ISSN 1052-8091.
- Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007.
- "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 14 May 2018.
External links
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- 3405 Daiwensai
- 3406 Omsk
- 3407 Jimmysimms
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На других языках
[de] (3406) Omsk
(3406) Omsk ist ein im mittleren Hauptgürtel gelegener Asteroid. Er wurde am 21. Februar 1969 von der sowjetischen Astronomin Bella Burnaschewa am Krim-Observatorium in Nautschnyj (IAU-Code 095) entdeckt. Eine Sichtung des Asteroiden hatte es vorher schon am 29. Mai 1951 unter der vorläufigen Bezeichnung 1951 KA1 am McDonald-Observatorium in Texas gegeben.[1]
- [en] 3406 Omsk
[ru] (3406) Омск
(3046) Омск (англ. 3046 Omsk, ранее 1969 DA) — астероид центральной части Главного пояса диаметром около 15 км. Был открыт 21 февраля 1969 года советским астрономом Беллой Бурнашевой в Крымской астрофизической обсерватории.[1] Астероид, вероятно, принадлежит классу M или X астероидов; период вращения составляет приблизительно 7,3 часа.[4] Объект назван в честь российского города Омска.[1]
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