3553 Mera

3553 Mera
Discovery
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
	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

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]

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