372 Palma is one of the largest main-belt asteroids. It is a B-type asteroid.
.png) A three-dimensional model of 372 Palma based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 19 August 1893 |
| Designations | |
| (372) Palma | |
| Pronunciation | /ˈpælmə/[1] |
Named after | Palma |
| 1893 AH | |
| Main belt | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 122.54 yr (44757 d) |
| Aphelion | 3.9693 AU (593.80 Gm) |
| Perihelion | 2.33325 AU (349.049 Gm) |
| 3.15125 AU (471.420 Gm) | |
| Eccentricity | 0.25958 |
| 5.59 yr (2043.3 d) | |
| 275.769° | |
| 0° 10m 34.284s / day | |
| Inclination | 23.828° |
| 327.37° | |
| 115.582° | |
| Physical characteristics | |
| Dimensions | 173.6±2.8 km[2] 191.12 ± 2.68 km[3] |
| Mass | (5.15 ± 0.64) × 1018 kg[3] |
Mean density | 1.40 ± 0.18 g/cm3[3] |
| 8.567 h (0.3570 d)[2] | |
| 0.0655±0.002[2] | |
| BFC/B[2] | |
| 7.5[2] | |
It was discovered by Auguste Charlois on August 19, 1893, in Nice. It is thought to be named for the capital city of Majorca, an island in the Balearics (Spain), which are located south of France. It is one of seven of Charlois's discoveries that were expressly named by the Astromomisches Rechen-Institut (Astronomical Calculation Institute).[4]
Occultations
editSince 2000, it has been observed 14 times in an asteroid occultation event, a number of which produced multiple chords revealing the asteroid's size and shape. On September 13, 2018, it was revealed to be 120 miles long (193 kilometers long). It is in a fixed orbit around the Sun between the orbits of Mars and Jupiter.[5]
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See also
editReferences
edit- ^ "Palma Christi". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
"Palma". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 23 March 2020. - ^ a b c d e f "JPL Small-Body Database Browser: 372 Palma". Jet Propulsion Laboratory. Retrieved 11 May 2016.
- ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ^ Schmadel Lutz D. Dictionary of Minor Planet Names (fifth edition), Springer, 2003. ISBN 3-540-00238-3.
- ^ "PDS Asteroid/Dust Subnode". sbn.psi.edu. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
External links
edit- Asteroid 372 Palma / Andromeda Galaxy Transit Archived 9 March 2021 at the Wayback Machine (19 Oct 2011)
- 372 Palma at AstDyS-2, Asteroids—Dynamic Site
- 372 Palma at the JPL Small-Body Database
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