1864 Daedalus
| Discovery [1] | |
|---|---|
| Discovered by | T. Gehrels |
| Discovery site | Palomar Obs. |
| Discovery date | 24 March 1971 |
| Designations | |
| MPC designation | 1864 Daedalus |
|
Named after
|
Daedalus (Greek mythology)[2] |
| 1971 FA | |
| Apollo, NEO | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 44.22 yr (16,152 days) |
| Aphelion | 2.3587 AU |
| Perihelion | 0.5627 AU |
| 1.4607 AU | |
| Eccentricity | 0.6147 |
| 1.77 yr (645 days) | |
| 296.52° | |
| Inclination | 22.212° |
| 6.6448° | |
| 325.61° | |
| Earth MOID | 0.2688 AU |
| Physical characteristics | |
| Dimensions | 3.7 km[1] 2.722±0.114 km[3] 3.00 km (derived)[4] |
| 8.572 h[5] 8.57 h[6] 8.575±0.002 h[7] |
|
| 0.273±0.055[3] 0.20 (assumed)[4] |
|
| B–V = 0.830 U–B = 0.500 SQ (Tholen), Sr (SMASS) |
|
| 14.85 | |
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1864 Daedalus, provisional designation 1971 FA, is a stony asteroid classified as a near-Earth object, that measures about 2.7 to 3.7 kilometers in diameter. It was discovered by Dutch–American astronomer Tom Gehrels at Palomar Observatory, California on 24 March 1971.[8]
It is a member of the Apollo asteroids, a group of near-Earth object with an Earth-crossing orbit. Daedalus orbits the Sun at a distance of 0.6–2.4 AU once every 1.77 years (645 days) and has a SQ/Sr spectral type with an albedo of 0.2 or more.[3][4] Its rotation period has been measured to take 8.572 hours.[5][6][7] It has an Earth Minimum orbit intersection distance (MOID) of 0.2688 AU.[1]
It is named after the Greek mythological figure Daedalus, the builder of King Minos' labyrinth, who was subsequently imprisoned there with his son Icarus. They escaped on wings of feathers and wax, but whereas Icarus was drowned when the wax in his wings melted, Daedalus went on to Sicily and built there a temple to Apollo. There is also a lunar crater called Daedalus.[2]
References
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<references />, or <references group="..." />External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- 1864 Daedalus at the JPL Small-Body Database
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