603 Timandra
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 16 February 1906 |
| Designations | |
| (603) Timandra | |
| Pronunciation | /tɪˈmændrə/[1] |
| 1906 TJ | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.08 yr (40205 d) |
| Aphelion | 2.9809 AU (445.94 Gm) |
| Perihelion | 2.0947 AU (313.36 Gm) |
| 2.5378 AU (379.65 Gm) | |
| Eccentricity | 0.17460 |
| 4.04 yr (1476.7 d) | |
| 87.1291° | |
| 0° 14m 37.644s / day | |
| Inclination | 8.0265° |
| 343.455° | |
| 159.764° | |
| Physical characteristics | |
| 6.865±0.45 km | |
| 41.79 h (1.741 d)[2][3] | |
| 0.1354±0.019 | |
| 11.8 | |
603 Timandra is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 16, 1906, in Taunton, Massachusetts.
Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, during 2010 gave a light curve with a long rotation period of 41.79 ± 0.02 hours and a brightness variation of 0.10 ± 0.02 in magnitude.[3]
References
[edit]- ^ Noah Webster (1884) A Practical Dictionary of the English Language
- ^ a b Yeomans, Donald K., "603 Timandra", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, archived from the original on 30 January 2017, retrieved 5 May 2016.
- ^ a b Pilcher, Frederick (April 2011), "Rotation Period Determinations for 25 Phocaea, 140 Siwa, 149 Medusa 186 Celuta, 475 Ocllo, 574 Reginhild, and 603 Timandra", The Minor Planet Bulletin, vol. 38, no. 2, pp. 76–78, Bibcode:2011MPBu...38...76P.
External links
[edit]- 603 Timandra at AstDyS-2, Asteroids—Dynamic Site
- 603 Timandra at the JPL Small-Body Database
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