(76146) 2000 EU16

(76146) 2000 EU₁₆ is a small asteroid in the main-belt and discovered by LINEAR on 3 March 2000 in Lincoln Lab ETS, and the only known quasi-satellite of the dwarf planet asteroid 1 Ceres. From the perspective of Ceres, its orbit traces an analemma.^[3]

(76146) 2000 EU₁₆

Discovery[1]
Discovered by	LINEAR
Discovery site	Lincoln Lab ETS
Discovery date	3 March 2000
Designations
MPC designation	(76146) 2000 EU16
Alternative designations	2002 TO288
Minor planet category	main-belt · (middle)
Orbital characteristics[2]
Epoch 21 January 2022 (JD 2459600.5)
Uncertainty parameter 0
Observation arc	22.85 yr (8,345 days)
Aphelion	2.5806 AU
Perihelion	2.306 AU
Semi-major axis	2.766 AU
Eccentricity	0.1665
Orbital period (sidereal)	4.60 yr (1,680 days)
Mean anomaly	130.990°
Mean motion	0° 12m 51.133s / day
Inclination	8.850°
Longitude of ascending node	334.258°
Argument of perihelion	347.850°
Physical characteristics[2]
Mean diameter	3.493±1.139 km
Geometric albedo	0.252±0.112
Absolute magnitude (H)	14.38[2][1]