Asteroid (3200) Phaethon imaged on 25 Dec 2010 with the 37 cm F14 Cassegrain telescope of Winer Observatory, Sonoita (MPC 857) by Marco Langbroek.
|Discovery time||11 October 1983|
|Other names||1983 TB|
|Reference date July 14, 2004 (JD 2453200.5)|
|Longest distance from the Sun||2.403 AU (359.456 Gm)|
|Shortest distance from the Sun||0.140 AU (20.922 Gm)|
|Longest distance from the center of its orbital path
|1.271 AU (190.189 Gm)|
|How egg-shaped its orbit is
|How long it takes to complete an orbit||1.43 a (523.586 d)|
|Average speed||19.98 km/s|
|Angle above the reference plane
|Size and Other Qualities|
Phaethon approaches the Sun closer than any other numbered asteroid. Its perihelion (closest approach to the Sun) is only 0.140 AU – less than half Mercury's perihelion distance. It is a Mercury-, Venus-, Earth- and Mars-crosser. The surface temperature at perihelion could reach ~1025 K, or 1400 F. For this reason, it was named after the Greek myth of Phaëton, son of the sun god Helios.
Phaethon approached to 18.1 Gm on 10 December 2007. It will draw nearer in 2017, 2050, 2060, and closer still on 14 December 2093, passing within 0.0198 AU (3.0 Gm).
References[change | change source]
- "JPL Small-Body Database Browser: 3200 Phaethon (1983 TB)". Jet Propulsion Laboratory. 2012-02-25 last obs. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3200. Retrieved 2012-06-19.