468 Lina
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 18 January 1901 |
| Designations | |
| 1901 FZ, A915 PA, A918 EB | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 114.90 yr (41967 d) |
| Aphelion | 3.7517 AU (561.25 Gm) |
| Perihelion | 2.5139 AU (376.07 Gm) |
| 3.1328 AU (468.66 Gm) | |
| Eccentricity | 0.19757 |
| 5.55 yr (2025.3 d) | |
| 28.447° | |
| 0° 10m 39.9s / day | |
| Inclination | 0.43722° |
| 21.482° | |
| 333.23° | |
| Earth MOID | 1.50812 AU (225.612 Gm) |
| Jupiter MOID | 1.68317 AU (251.799 Gm) |
| TJupiter | 3.182 |
| Physical characteristics | |
| Dimensions | 59.7 ± 0.5 km[2] 69.34±2.5 km[1] |
| 16.33 ± 0.02 h[3] 16.33 h (0.680 d)[1] | |
| 0.058[2] 0.0430±0.003[1] | |
| 9.83[2][1] | |
468 Lina is a main belt asteroid. It was discovered by Max Wolf on January 18, 1901 at Heidelberg. Its provisional name was 1901 FZ. This asteroid was named Lina after the housemaid of Max Wolf's family.[4] It is a core member of the Themis family of asteroids.
Photometric observations of 468 Lina at the Altimira Observatory in California during 2006 showed a rotation period of 16.33 ± 0.02 hours and a brightness variation of 0.15 in magnitude. The light curve showed an unusual triple peak shape.[3]
Analysis of infrared observations from the Spitzer Space Telescope give a diameter of 59.7 ± 0.5 km, albedo of 0.058, and absolute magnitude 9.83. The values are significantly different from the earlier results obtained with IRAS, which gave a diameter of 69.34 ± 2.5 km and albedo of 0.043 ± 0.003. 468 Lina shows an emissivity plateau in the wavelength range of 9 to 12 μm, which is indicative of silicates.[2]
References
- ^ a b c d e "468 Lina (1901 FZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
- ^ a b c d Licandro, J.; Hargrove, K.; Kelley, M.; Campins, H.; Ziffer, J.; Alí-Lagoa, V.; Fernández, Y.; Rivkin, A. (September 2007), "5-14 mum Spitzer spectra of Themis family asteroids", Astronomy & Astrophysics, 537: A73, Bibcode:2012A&A...537A..73L, doi:10.1051/0004-6361/201118142
- ^ a b Buchheim, Robert K. (September 2007), "Lightcurves of 25 Phocaea, 468 Lina, 482 Petrina 551 Ortrud, 741 Botolphia, 834 Burnhamia, 2839 Annette, and 3411 Debetencourt", The Minor Planet Bulletin, 34 (3): 68–71, Bibcode:2007MPBu...34...68B
- ^ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3.
External links
- 468 Lina at the JPL Small-Body Database
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