Asteroid
Near-Earth
5587
5587 (1990 SB)
Where is it now
- Distance from Sun
- 2.76 AU
- True anomaly
- 224.56°
- 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
- 2.401 AU
- Eccentricity
- 0.5443
- Inclination
- 18.04°
- Orbital period
- 3.72 years
- Perihelion
- 1.094 AU
- Aphelion
- 3.707 AU
- Longitude of ascending node
- 189.28°
- Argument of periapsis
- 87.61°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 1.79 km
- Rotation period
- 5.05 hours
Visual & observation
- Geometric albedo
- 0.32
- Absolute magnitude (H)
- 13.89
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB