604 Tekmessa
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 16 February 1906 |
| Designations | |
| 1906 TK | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.87 yr (38303 d) |
| Aphelion | 3.7742 AU (564.61 Gm) |
| Perihelion | 2.5217 AU (377.24 Gm) |
| 3.1480 AU (470.93 Gm) | |
| Eccentricity | 0.19894 |
| 5.59 yr (2040.1 d) | |
| 351.53° | |
| 0° 10m 35.256s / day | |
| Inclination | 4.4213° |
| 12.171° | |
| 28.815° | |
| Earth MOID | 1.52947 AU (228.805 Gm) |
| Jupiter MOID | 1.66807 AU (249.540 Gm) |
| Jupiter Tisserand parameter | 3.173 |
| Physical characteristics | |
Mean radius |
32.58±2.05 km[1] 32.21 ± 1.505 km[2] |
| Mass | (1.45 ± 0.28) × 1018 kg[2] |
Mean density | 10.35 ± 2.4 g/cm3[2] |
| 5.5596 h (0.23165 d) | |
| 0.0870±0.012 | |
| 9.29,[3] 9.5[1] | |
|
| |
604 Tekmessa is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 16, 1906.
References
- 1 2 3 Yeomans, Donald K., "604 Tekmessa", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 7 May 2016.
- 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, arXiv:1203.4336
, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1. - ↑ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
External links
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