| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 16 February 1906 |
| Designations | |
| (604) Tekmessa | |
| Pronunciation | /tɛkˈmɛsə/[1] |
| 1906 TK | |
| Orbital characteristics[2] | |
| 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° | |
| Physical characteristics | |
| 32.58±2.05 km[2] 32.21 ± 1.505 km[3] | |
| Mass | (1.45 ± 0.28) × 1018 kg[3] |
Mean density | 10.35 ± 2.4 g/cm3[3] |
| 5.5596 h (0.23165 d) | |
| 0.0870±0.012 | |
| 9.29,[4] 9.5[2] | |
604 Tekmessa is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 16, 1906. The name may have been inspired by the asteroid's provisional designation 1906 TK.
JPL was invoked but never defined (see the help page).Carry2012 was invoked but never defined (see the help page).Warner2007 was invoked but never defined (see the help page).