7641 Cteatus

7641 Cteatus, provisional designation: 1986 TT6, is a large Jupiter trojan from the Greek camp, approximately 70 kilometers (43 miles) in diameter.

It was discovered on 5 October 1986, by Slovak astronomer Milan Antal at the Toruń Centre for Astronomy in Piwnice, Poland.

[14] On 14 May 2021, the object was named by the Working Group for Small Bodies Nomenclature (WGSBN), after Cteatus from Greek mythology, who had a conjoined twin.

[4] In October 2009, a rotational lightcurve of Cteatus was obtained from photometric observations by Italian astronomer Stefano Mottola at the Calar Alto Observatory in Spain.

[4][10] While not being a slow rotator, its period is significantly longer than that of most larger Jupiter trojans, which have a spin rate of typically 10 hours.