914 Palisana
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 4 July 1919 |
| Designations | |
| (914) Palisana | |
| Pronunciation | /pælɪˈseɪnə/ |
Named after | Johann Palisa (Austrian astronomer)[1] |
| 1919 FN · A904 PB A916 WC | |
| main-belt · Phocaea [2] | |
| Orbital characteristics [3] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 84.07 yr (30,706 days) |
| Aphelion | 2.9857 AU |
| Perihelion | 1.9300 AU |
| 2.4578 AU | |
| Eccentricity | 0.2148 |
| 3.85 yr (1,407 days) | |
| 71.191° | |
| 0° 15m 20.88s / day | |
| Inclination | 25.206° |
| 255.80° | |
| 49.144° | |
| Physical characteristics | |
| Dimensions | 76 km[4] 76.61±1.7 km[5] 77.000±13.12 km[6] 91.2 km[2] 97.33±1.49 km[7] |
| Mass | (2.35 ± 0.24) × 1018 kg[8] |
Mean density | 8.36 ± 1.85[8] g/cm3 |
| 15.922 h (0.6634 d) | |
| 0.0943±0.004[5] 0.0666[2] 0.059±0.002[7] 0.0934±0.0376[6] | |
| B–V = 0.741 U–B = 0.368 Tholen = CU [3][8] C [2] | |
| 8.76[3][2][5][7][6] 8.96±0.30[9] | |
914 Palisana, provisional designation 1919 FN, is a Phocaean asteroid from the inner regions of the asteroid belt, approximately 77 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 4 July 1919.[10]
Description[edit]
The carbonaceous asteroid is classified as a CU-type on the Tholen taxonomic scheme. It orbits the Sun at a distance of 1.9–3.0 AU once every 3 years and 10 months (1,407 days). Its orbit has an eccentricity of 0.21 and an inclination of 25° with respect to the ecliptic.[3]
Measurements using the adaptive optics at the W. M. Keck Observatory give a diameter estimate of 76 km. The size ratio between the major and minor axes is 1.16.[4] During 2004, the asteroid was observed occulting a star. The resulting chords were used to determine a diameter estimate of 91.2 km. This is a poor match to the diameter determined by other means.[11]
The minor planet is named after the Austrian astronomer Johann Palisa (1848–1925), who has discovered many asteroids himself between 1874 and 1923.[1]
References[edit]
- ^ a b Schmadel, Lutz D. (2007). "(914) Palisana". Dictionary of Minor Planet Names – (914) Palisana. Springer Berlin Heidelberg. p. 82. doi:10.1007/978-3-540-29925-7_915. ISBN 978-3-540-00238-3.
- ^ a b c d e "LCDB Data for (914) Palisana". Asteroid Lightcurve Database (LCDB). Retrieved 30 August 2016.
- ^ a b c d "JPL Small-Body Database Browser: 914 Palisana (1919 FN)" (2015-11-07 last obs.). Jet Propulsion Laboratory. Archived from the original on 19 September 2020. Retrieved 30 August 2016.
- ^ a b Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus, 185 (1): 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813, retrieved 27 March 2013.
- ^ a b c 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.
- ^ 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 30 August 2016.
- ^ a b c 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)
- ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ^ 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. Retrieved 30 August 2016.
- ^ "914 Palisana (1919 FN)". Minor Planet Center. Retrieved 30 August 2016.
- ^ Shevchenko, Vasilij G.; Tedesco, Edward F. (September 2006), "Asteroid albedos deduced from stellar occultations", Icarus, 184 (1): 211–220, Bibcode:2006Icar..184..211S, doi:10.1016/j.icarus.2006.04.006.
External links[edit]
- Lightcurve plot of 914 Palisana, Palmer Divide Observatory, B. D. Warner (2008)
- 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
- 914 Palisana at AstDyS-2, Asteroids—Dynamic Site
- 914 Palisana at the JPL Small-Body Database
