Last update: 2020-09-24 09:32 UTC
Summary
Orbit Properties
Physical Properties
Observations
Ephemerides
Close Approaches
Possible Impacts
 
2018HW1
Orbital Properties
Epoch 59000.0 MJD
Orbit type Apollo
Perihelion (q) 0.948 au
Aphelion (Q) 1.248 au
Eccentricity (e) 0.136 -
Inclination (i) 6.9 deg
Orbit period (P) 420.2 days
Earth MOID 0.00139 au
Next Earth close approach
Date 2032/12/16
Nominal distance (from Earth center) 0.15298 au
22884884 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 24* 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