604 Tekmessa
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| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | February 16, 1906 |
| Designations | |
| Alternative names | 1906 TK |
| Orbital characteristics[1] | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Aphelion | 3.780 AU |
| Perihelion | 2.506 AU |
| Semi-major axis | 3.143 AU |
| Eccentricity | 0.203 |
| Orbital period | 5.572 a |
| Mean anomaly | 3.653° |
| Inclination | 4.425° |
| Longitude of ascending node | 12.272° |
| Argument of perihelion | 29.757° |
| Physical characteristics | |
| Dimensions | 64.42 ± 3.01[2] km |
| Mass | (1.45 ± 0.28) × 1018[2] kg |
| Mean density | 10.35 ± 2.4[2] g/cm3 |
| Absolute magnitude (H) | 9.29[3] |
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604 Tekmessa is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 16, 1906.
References
- ↑ Yeomans, Donald K., "604 Tekmessa", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-25.
- ↑ 2.0 2.1 2.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 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", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers 34: 113–119, Bibcode:2007MPBu...34..113W.
External links
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