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]