1739 Meyermann: Difference between revisions
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[[Category:Minor planets named for people]] |
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[[Category:Named minor planets]] |
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[[Category:Discoveries by Karl Wilhelm Reinmuth]] |
[[Category:Discoveries by Karl Wilhelm Reinmuth]] |
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[[Category:Astronomical objects discovered in 1939|19390815]] |
[[Category:Astronomical objects discovered in 1939|19390815]] |
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Revision as of 22:56, 18 August 2016
| Discovery [1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 15 August 1939 |
| Designations | |
| 1739 Meyermann | |
Named after | Bruno Meyermann (astronomer) [2] |
| 1939 PF · 1929 TB1 1935 GN · 1952 HN3 1953 XO1 · 1963 TG | |
| main-belt · Flora [3] | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.43 yr (31568 days) |
| Aphelion | 2.5424 AU (380.34 Gm) |
| Perihelion | 1.9800 AU (296.20 Gm) |
| 2.2612 AU (338.27 Gm) | |
| Eccentricity | 0.12436 |
| 3.40 yr (1242.0 d) | |
| 212.97° | |
| 0° 17m 23.496s / day | |
| Inclination | 3.4071° |
| 203.37° | |
| 81.980° | |
| Earth MOID | 0.965503 AU (144.4372 Gm) |
| Jupiter MOID | 2.57647 AU (385.434 Gm) |
| TJupiter | 3.607 |
| Physical characteristics | |
| Dimensions | 8.688±0.063 km [4] 6.62±0.79 km [5] 8.19 km (calculated) [3] |
| 2.8219±0.0002h [a] 2.8212±0.0002 h [a] 2.8219 h (0.11758 d) [1] | |
| 0.1961±0.0376 [4] 0.336±0.116 [5] 0.24 (assumed) [3] | |
| S [3] | |
| 12.7 | |
1739 Meyermann, provisional designation 1939 PF, is a stony asteroid from the inner regions of the asteroid belt, about 8 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 15 August 1939.[6]
The asteroid is a member of the Flora family, a large group of S-type asteroids in the inner main-belt. It orbits the Sun at a distance of 2.0–2.5 AU once every 3.40 years (1,241 days). Its orbit shows an eccentricity of 0.12 and is inclined by 3 degrees to the plane of the ecliptic. It has a rotation period of 2.822 hours and an albedo of 0.20 and 0.37, according to preliminary results from the surveys carried out by the WISE and NEOWISE missions, respectively.[4][5]
The minor planet was named in memory of Bruno Meyermann (1876–1963), a classical astronomer and academic teacher at Göttingen Observatory in Lower Saxony, Germany. His fields of interest included polar motion and relativistic effects.[2]
References
- ^ a b Pravec (2007) web: rotation period 2.8219±0.0002 hours and Pravec (2014) web 2.8212±0.0002, with a brightness amplitude of 0.22 and 0.17, respectively. Summary figures at Asteroid Lightcurve Database for (1739) Meyermann
- ^ a b c "JPL Small-Body Database Browser: 1739 Meyermann (1939 PF)" (2015-10-11 last obs.). Jet Propulsion Laboratory. Retrieved 21 April 2016.
- ^ a b Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1739) Meyermann. Springer Berlin Heidelberg. p. 138. ISBN 978-3-540-29925-7. Retrieved 16 November 2015.
- ^ a b c d "LCDB Data for (1739) Meyermann". Asteroid Lightcurve Database (LCDB). Retrieved 16 November 2015.
- ^ a b c 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. Retrieved 16 November 2015.
- ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; Cabrera, M. S. (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 16 November 2015.
- ^ "1739 Meyermann (1939 PF)". Minor Planet Center. Retrieved 16 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
- 1739 Meyermann at the JPL Small-Body Database
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