Asteroid
Near-Earth
Antinous
1863 Antinous (1948 EA)
Where is it now
- Distance from Sun
- 1.035 AU
- True anomaly
- 51.15°
- 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
- 2.259 AU
- Eccentricity
- 0.6062
- Inclination
- 18.38°
- Orbital period
- 3.4 years
- Perihelion
- 0.89 AU
- Aphelion
- 3.629 AU
- Longitude of ascending node
- 345.54°
- Argument of periapsis
- 269.11°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 1.05 km
- Rotation period
- 7.45 hours
Visual & observation
- Geometric albedo
- 0.24
- Absolute magnitude (H)
- 15.32
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Named