Asteroid
Near-Earth
Potentially hazardous
Florence
3122 Florence (1981 ET3)
Where is it now
- Distance from Sun
- 1.873 AU
- True anomaly
- 237.91°
- 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
- 1.769 AU
- Eccentricity
- 0.4232
- Inclination
- 22.14°
- Orbital period
- 859.4 days
- Perihelion
- 1.02 AU
- Aphelion
- 2.518 AU
- Longitude of ascending node
- 336.04°
- Argument of periapsis
- 27.87°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 2.45 km
- Rotation period
- 2.36 hours
Visual & observation
- Geometric albedo
- 0.231
- Absolute magnitude (H)
- 14.08
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Named
Potentially Hazardous Asteroid