Asteroid
Near-Earth
Daedalus
1864 Daedalus (1971 FA)
Where is it now
- Distance from Sun
- 1.455 AU
- True anomaly
- 127.62°
- 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
- 1.461 AU
- Eccentricity
- 0.6145
- Inclination
- 22.22°
- Orbital period
- 644.9 days
- Perihelion
- 0.563 AU
- Aphelion
- 2.359 AU
- Longitude of ascending node
- 6.6°
- Argument of periapsis
- 325.66°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 1.85 km
- Rotation period
- 8.57 hours
Visual & observation
- Geometric albedo
- 0.273
- Absolute magnitude (H)
- 14.83
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Named