Last update: 2019-02-22 15:58 UTC
Summary
Orbit Properties
Physical Properties
Observations
Ephemerides
Close Approaches
Possible Impacts
 
2018HW1
Orbital Properties
Orbit type Apollo
Perihelion (q) 0.948 au
Aphelion (Q) 1.247 au
Eccentricty (e) 0.136 -
Inclination (i) 6.9 deg
Orbit period (P) 420.2 days
Earth MOID 0.00162 au
Next Earth close approach
Date 2032/12/16
Nominal distance (from Earth center) 0.1589 au
23770399 km
Maximum Brightness 24.4 -
Risk
Object is in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H) 25.8 -
Diameter 29* m
Taxonomic type -
Rotation period (T) - h
Orbit Visualization
Discovery Information
Discovery Date 2018-04-23
Observatory SONEAR Observatory, Oliveira
External Links
Proper elements
*Estimated from the absolute magnitude using