Asteroid
Near-Earth
Boreas
1916 Boreas (1953 RA)
Where is it now
- Distance from Sun
- 2.986 AU
- True anomaly
- 150.88°
- 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
- 2.273 AU
- Eccentricity
- 0.4491
- Inclination
- 12.88°
- Orbital period
- 3.43 years
- Perihelion
- 1.252 AU
- Aphelion
- 3.294 AU
- Longitude of ascending node
- 340.58°
- Argument of periapsis
- 335.9°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 1.75 km
- Rotation period
- 3.47 hours
Visual & observation
- Absolute magnitude (H)
- 14.93
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Named