Last update: 2020-09-24 09:32 UTC
Summary
Orbit Properties
Physical Properties
Observations
Ephemerides
Close Approaches
Possible Impacts
 
1991BA
Orbital Properties
Epoch 59000.0 MJD
Orbit type Apollo
Perihelion (q) 0.696 au
Aphelion (Q) 3.496 au
Eccentricity (e) 0.668 -
Inclination (i) 2.1 deg
Orbit period (P) 1108.7 days
Earth MOID 0.00047 au
Next Earth close approach
Date 2055/01/09
Nominal distance (from Earth center) 0.18608 au
27837650 km
Maximum Brightness 127.9 -
Risk
Object is in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H) 28.7 -
Diameter 7* 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