Supriya Ghosh (Editor)

(5025) 1986 TS6

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Discovered by  M. Antal
MPC designation  (5025) 1986 TS6
Observation arc  29.65 yr (10,829 days)
Aphelion  5.59 m
Discoverer  Milan Antal
Discovery date  5 October 1986
Alternative names  1986 TS6 · 1989 BX
Discovered  5 October 1986
Orbits  Sun
Asteroid group  Jupiter trojan
Minor planet category  Jupiter trojan  (Greek camp)
Discovery site  Piwnice Astronomical Observatory
Similar  Jupiter trojan, Solar System, Sun

(5025) 1986 TS6, is a carbonaceous Jupiter trojan from the Greek camp and potentially slow rotating asteroid, approximately 50 kilometers in diameter. It was discovered on 5 October 1986, by Slovak astronomer Milan Antal at the Toruń Centre for Astronomy in Piwnice, Poland.

The dark Jovian asteroid is orbiting in the leading Greek camp at Jupiter's L4 Lagrangian point, 60° ahead of its orbit (see Trojans in astronomy). It orbits the Sun at a distance of 4.8–5.6 AU once every 11 years and 10 months (4,332 days). Its orbit has an eccentricity of 0.07 and an inclination of 11° with respect to the ecliptic.

Based on a large-scale survey performed by Pan-STARRS, the C-type asteroid has also been rated as a transitional CX-type, an intermediate between the carbonaceous C-type and X-type asteroids. In November 2009, the body was observed in a photometric light-curve survey of 80 Jupiter trojans, which rendered a very long rotation period of 7002250000000000000♠250±25 hours with a brightness variation of 6999200000000000000♠0.2 in magnitude (U=1). However, the Collaborative Asteroid Lightcurve Link (CALL) considers the result as incorrect.

According to the surveys carried out by the Infrared Astronomical Satellite (IRAS), and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures 57.8 and 39.8 kilometers in diameter with an albedo of 0.064 and 0.084, respectively. CALL agrees with the results obtained by IRAS, assumes an even lower albedo of 0.04, and calculates a similar diameter of 57.6 kilometers.

References

(5025) 1986 TS6 Wikipedia


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