2018 FC4

2018 FC₄
Discovery
Discovered by	Mt. Lemmon Survey
Discovery date	21 March 2018
Designations
MPC designation	2018 FC₄
Minor planet category	Martian L5
Orbital characteristics
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc	790 days (2.16 yr)
Aphelion	1.5498684 AU (231.85701 Gm)
Perihelion	1.497823 AU (224.0711 Gm)
Semi-major axis	1.5238457 AU (227.96407 Gm)
Eccentricity	0.017077
Orbital period (sidereal)	1.88 yr (687.0841 d)
Mean anomaly	4.660°
Mean motion	0° 31^m 26.232^s /day
Inclination	22.1437°
Longitude of ascending node	187.55390°
Argument of perihelion	52.009°
Earth MOID	0.507683 AU (75.9483 Gm)
Jupiter MOID	3.41333 AU (510.627 Gm)
Physical characteristics
Dimensions	200 m
Geometric albedo	0.5-0.05 (assumed)
Absolute magnitude (H)	21.3

2018 FC₄ is a small asteroid and Mars trojan orbiting near the L₅ point of Mars (60 degrees behind Mars on its orbit).