Asteroid
Near-Earth
Mera
3553 Mera (1985 JA)
Where is it now
- Distance from Sun
- 1.96 AU
- True anomaly
- 219.57°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 1.645 AU
- Eccentricity
- 0.32
- Inclination
- 36.77°
- Orbital period
- 770.3 days
- Perihelion
- 1.118 AU
- Aphelion
- 2.171 AU
- Longitude of ascending node
- 232.48°
- Argument of periapsis
- 288.9°
- Epoch · J2000
- 2461200.5
Physical properties
- Rotation period
- 3.19 hours
Visual & observation
- Absolute magnitude (H)
- 16.41
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Named