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914 Palisana
Main-belt asteroid
Main-belt asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| background | #D6D6D6 |
| name | 914 Palisana |
| mpc_name | (914) Palisana |
| alt_names | 1919 FNA904 PB |
| A916 WC | |
| pronounced | |
| named_after | Johann Palisa |
| (Austrian astronomer) | |
| mp_category | main-beltPhocaea |
| discoverer | M. F. Wolf |
| discovered | 4 July 1919 |
| discovery_site | Heidelberg Obs. |
| orbit_ref | |
| epoch | 31 July 2016 (JD 2457600.5) |
| uncertainty | 0 |
| observation_arc | 84.07 yr (30,706 days) |
| aphelion | 2.9857 AU |
| perihelion | 1.9300 AU |
| semimajor | 2.4578 AU |
| eccentricity | 0.2148 |
| period | 3.85 yr (1,407 days) |
| mean_anomaly | 71.191° |
| mean_motion | / day |
| inclination | 25.206° |
| asc_node | 255.80° |
| arg_peri | 49.144° |
| dimensions | km |
| km | |
| km | |
| km | |
| km | |
| mass | (2.35 ± 0.24) × 1018 kg |
| density | 8.36 ± 1.85 g/cm3 |
| rotation | 15.922 h |
| albedo | |
| spectral_type | B–V = 0.741 |
| U–B = 0.368 | |
| Tholen = CU | |
| C | |
| abs_magnitude | 8.76 |
A916 WC (Austrian astronomer) km km km km
U–B = 0.368 Tholen = CU C
914 Palisana, provisional designation , 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.
Description
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.
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. 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.
The minor planet is named after the Austrian astronomer Johann Palisa (1848–1925), who has discovered many asteroids himself between 1874 and 1923.
References
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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