Last update: 2019-02-22 15:58 UTC
Summary
Orbit Properties
Physical Properties
Observations
Ephemerides
Close Approaches
Possible Impacts
 
1991BA
Orbital Properties
Orbit type Apollo
Perihelion (q) 0.696 au
Aphelion (Q) 3.496 au
Eccentricty (e) 0.668 -
Inclination (i) 2.1 deg
Orbit period (P) 1108.5 days
Earth MOID 0.00046 au
Next Earth close approach
Date 2055/01/09
Nominal distance (from Earth center) 0.18613 au
27844607 km
Maximum Brightness 27.6 -
Risk
Object is in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H) 28.7 -
Diameter 8* m
Taxonomic type -
Rotation period (T) - h
Orbit Visualization
Discovery Information
Discovery Date 1991-01-18
Observatory Steward Observatory, Kitt Peak-Spacewatch
External Links
Proper elements
*Estimated from the absolute magnitude using