Asteroids Near Earth

Asteroid 2003 WP21

2003 WP21 asteroid magnitude is 21.4 H and asteroid diameter is between 138 and 308 meters. Asteroid 2003 WP21 closest near miss earth distance is 24,693,756 kilometers on 5 December 2003.

Magnitude21.43 H
Diameter min.137.77 meters
Diameter max.308.06 meters
EquinoxJ2000
Orbit Uncertainty9 U
Orbital Period1271.57 days
Min. Orbit Intersection.0316476
Mean Anomaly344.307797
Mean Motion0.283115
Semi-major Axis2.296998 au
Eccentricity0.787179
Is Hazardous?YES
Jupiter Tisserand invariant3.082
Inclination4.316455 deg
Ascending Node Longitude38.082079 deg
Perihelion Distance0.488849 au
Perihelion Argument123.64853 deg
Perihelion Time2453022.926912 JED
Aphelion Distance4.105146 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2452967.5

List of Asteroid 2003 WP21 Close Approaches to Earth

List of approaches near Earth of asteroid 2003 WP21 with distance and velocity information.

5 December 2003

Distance24,693,756 km
Distance (miles)15,343,989 mi
Lunar Distance64.211281 LD
Astronomical Distance0.165068 AU
Velocity (km per hour)71,145 km/h
Velocity (meters per second)19,762 m/s
Orbiting BodyEarth

Asteroid 2003 WP21 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
5 December 200371,145 km/h24,693,756 km