(19955) Hollý
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Asteroid (19955) Hollý |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Asteroid family | Eos family |
| Major semi-axis | 3.0675 AU |
| eccentricity | 0.1454 |
| Perihelion - aphelion | 2.6215 AU - 3.5136 AU |
| Inclination of the orbit plane | 12.1210 ° |
| Length of the ascending node | 127.7453 ° |
| Argument of the periapsis | 222.0841 ° |
| Time of passage of the perihelion | December 30, 2015 |
| Sidereal period | 5.37 a |
| Mean orbital velocity | 17.01 km / s |
| Physical Properties | |
| Medium diameter | 7.785 (± 0.116) km |
| Albedo | 0.140 (± 0.021) |
| Absolute brightness | 13.3 mag |
| history | |
| Explorer | Milan Antal |
| Date of discovery | November 28, 1984 |
| Another name | 1984 WZ 1 , 1978 TL 8 , 1998 KS 68 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(19955) Hollý is an asteroid of the outer main belt that was discovered on November 28, 1984 by the Slovak astronomer Milan Antal at the Piszkéstető Observatory ( IAU code 561) in the northern Hungarian Mátra Mountains on behalf of the Budapest Konkoly Observatory . The asteroid had already been sighted on October 8, 1978 under the provisional designation 1978 TL 8 at the Crimean Observatory in Nautschnyj .
Roughly speaking, the asteroid belongs to the Eos family , a group of asteroids, which typically have large semiaxes from 2.95 to 3.1 AU , bounded inward by the Kirkwood gap of the 7: 3 resonance with Jupiter , as well as orbital inclinations between 8 ° and 12 °. The group is named after the asteroid (221) Eos . The family is believed to have emerged from a collision more than a billion years ago. The timeless (not osculating ) orbital elements of (19955) Hollý are almost identical to those of ten other asteroids: (91994) 1999 VF 124 , (106487) 2000 WH 24 , (129593) 1997 IP 24 , (241085) 2006 UR 195 , (328015) 2007 HO 96 , (329728) 2003 WQ 170 , (340715) 2006 SE 58 , (396994) 2005 ST 212 , (399673) 2004 SW 19 and 2011 UW 117 .
According to the SMASS classification ( Small Main-Belt Asteroid Spectroscopic Survey ), Hollý was assigned to the taxonomic class of the C asteroids in a spectroscopic study by Gianluca Masi , Sergio Foglia and Richard P. Binzel (19955) .
(19955) Hollý was named on August 4, 2001 after the Slovak poet Ján Hollý (1785–1849).
Web links
- (19955) Hollý in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (19955) Hollý in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances by (19955) Hollý according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ (19955) Hollý at the IAU Minor Planet Center (English)
- ↑ David Vokrouhlický , Miroslav Brož , Alessandro Morbidelli , William Bottke , David Nesvorný , Daniel Lazzaro, Andy Rivkin: Yarkovsky footprints in the Eos family . (English, PDF ; 26 MB)
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)
- ^ Gianluca Masi, Sergio Foglia, Richard P. Binzel: Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog . (English)
- ↑ subdivision of asteroids to S-types, C-types and V-types (English)