3553 Mera

3553 Mera, provisional designation 1985 JA, is an Amor asteroid discovered on May 14, 1985, by C. Shoemaker at Palomar. It was named for Maera, a daughter of Praetus.^[3]

3553 Mera

Discovery[1]
Discovered by	C. Shoemaker
Discovery site	Palomar
Discovery date	14 May 1985
Designations
MPC designation	(1985) JA
Pronunciation	/ˈmɪərə/
Alternative designations	MPO 270210
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	30.37 yr (11,094 d)
Aphelion	2.171 AU (324.8 Gm)
Perihelion	1.118 AU (167.3 Gm)
Semi-major axis	1.645 AU (246.1 Gm)
Eccentricity	0.320
Orbital period (sidereal)	2.11 yr (770.34 d)
Mean anomaly	182.3°
Mean motion	0° 28m 1.2s / day
Inclination	36.77°
Longitude of ascending node	232.5°
Argument of perihelion	288.9°
Earth MOID	0.29 AU (43 Gm)
Physical characteristics
Synodic rotation period	3.1944 h (0.13310 d)
Absolute magnitude (H)	16.4