1404 Ajax
From Wikipedia, the free encyclopedia
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Discovery[1] and designation
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| Discovered by | Karl Wilhelm Reinmuth |
| Discovery date | August 18, 1936 |
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Designations
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| Alternative names[1] | 1936 QW |
| Minor planet category |
Jupiter Trojan |
| Epoch February 04, 2008 (JD 2454500.5) | |
| Aphelion | 883.668 Gm (5.907 AU) |
| Perihelion | 702.599 Gm (4.697 AU) |
| Semi-major axis | 793.134 Gm (5.302 AU) |
| Eccentricity | 0.114 |
| Orbital period | 4458.921 d (12.21 a) |
| Average orbital speed | 12.89 km/s |
| Mean anomaly | 308.096° |
| Inclination | 18.010° |
| Longitude of ascending node | 332.968° |
| Dimensions | 81.6 km |
| Mass | 5.7×1017 kg |
| Mean density | 2.0 g/cm³ |
| Equatorial surface gravity | 0.0228 m/s² |
| Equatorial escape velocity | 0.0431 km/s |
| Sidereal rotation period |
? d |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.10 |
| Temperature | ~121 K |
| Spectral type | ? |
| Absolute magnitude | 9.0 |
1404 Ajax is a Jupiter trojan asteroid that orbits in the L4 Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Ajax. It was discovered by Karl Wilhelm Reinmuth on August 18, 1936 in Heidelberg, Germany.
[edit] External links
- Discovery Circumstances: Numbered Minor Planets
- Orbital simulation from JPL (Java) / Ephemeris
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