1422 Strömgrenia
| Discovery [1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 23 August 1936 |
| Designations | |
| MPC designation | 1422 Stromgrenia |
Named after |
Elis Strömgren (astronomer)[2] |
| 1936 QF · 1933 WB | |
| main-belt · Flora [3] | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 79.64 yr (29090 days) |
| Aphelion | 2.6241 AU (392.56 Gm) |
| Perihelion | 1.8701 AU (279.76 Gm) |
| 2.2471 AU (336.16 Gm) | |
| Eccentricity | 0.16778 |
| 3.37 yr (1230.3 d) | |
| 232.66° | |
| 0° 17m 33.36s / day | |
| Inclination | 2.6808° |
| 201.61° | |
| 171.13° | |
| Earth MOID | 0.86922 AU (130.033 Gm) |
| Jupiter MOID | 2.83475 AU (424.073 Gm) |
| Jupiter Tisserand parameter | 3.610 |
| Physical characteristics | |
| Dimensions | 5.62 km (calculated)[3] |
|
3.5002 h (0.14584 d)[1][3] 3.5298±0.0102 h[4] | |
| 0.24 (assumed)[3] | |
|
B–V = 0.868 U–B = 0.519 Tholen = S S [3] | |
| 13.42 | |
|
| |
1422 Strömgrenia, provisional designation 1936 QF, is a stony asteroid from the inner regions of the asteroid belt, about 6 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 23 August 1936.[5]
The asteroid is a member of the Flora family, a large group of stony S-type asteroids in the inner main-belt. It orbits the Sun at a distance of 1.9–2.6 AU once every 3 years and 4 months (1,231 days). Its orbit shows an eccentricity of 0.17 and is tilted by 3 degrees to the plane of the ecliptic. It has a rotation period of 3.5298±0.0102 hours[4] and an assumed geometric albedo of 0.24, which is typical value for a silicaceous asteroid.[3]
The minor planet was named in honour of Swedish-Danish astronomer Svante Elis Strömgren (1870–1947), professor of astronomy and director of the Copenhagen University Observatory.[2]
References
- 1 2 3 "JPL Small-Body Database Browser: 1422 Stromgrenia (1936 QF)" (2015-03-24 last obs.). Jet Propulsion Laboratory. Retrieved 27 April 2016.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1422) Strömgrenia. Springer Berlin Heidelberg. p. 114. ISBN 978-3-540-29925-7. Retrieved November 2015.
- 1 2 3 4 5 6 "LCDB Data for (1422) Stromgrenia". Asteroid Lightcurve Database (LCDB). Retrieved November 2015.
- 1 2 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal 150 (3): 35. arXiv:1504.04041. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved November 2015.
- ↑ "1422 Stromgrenia (1936 QF)". Minor Planet Center. Retrieved November 2015.
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- 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
- 1422 Strömgrenia at the JPL Small-Body Database
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