52975 Cyllarus /ˈsɪlərəs/ (provisional designation 1998 TF35) is a very red centaur, approximately 62 kilometers (39 miles) in diameter, orbiting the Sun in the outer Solar System.

It was discovered on 12 October 1998, by American astronomer Nichole Danzl at the Kitt Peak National Observatory near Sells, Arizona, in the United States.

[3] Cyllarus orbits the Sun in the outer main-belt at a distance of 16.3–36.0 AU once every 133 years and 5 months (48,739 days).

[3] The official naming citation was published by the Minor Planet Center on 14 June 2003 (M.P.C.

[9] A symbol derived from that for 2060 Chiron, , was devised in the late 1990s by German astrologer Robert von Heeren.