(15874) 1996 TL66 (also written (15874) 1996 TL66) is a trans-Neptunian object (TNO) that resides in the scattered disc. The Spitzer Space Telescope has estimated this object to be about 575 km in diameter but 2012 estimates from the Herschel Space Observatory estimate the diameter as closer to 339 km. It is not a detached object since its perihelion (closest approach to the Sun) is under the influence of Neptune. Light-curve-amplitude analysis suggests it is a spheroid.
apoapsis (km)
1.98771e+13
average speed (km/s)
10728.0
orbital period (μ)
2.42716e+10
periapsis (km)
5.23742e+12
temperature (K)
31.0
absolute magnitude
5.4
apparent magnitude
21.0
discovery date
1996-10-09
discoverer
Chad Trujillo, Jane Luu, Jun Chen, David C. Jewitt
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