Asteroids Near Earth

Asteroid 2003 UM3

2003 UM3 asteroid magnitude is 28.1 H and asteroid diameter is between 6 and 14 meters. Asteroid 2003 UM3 closest near miss earth distance is 278,516 kilometers on 12 October 2003.

Magnitude28.1 H
Diameter min.6.38 meters
Diameter max.14.26 meters
EquinoxJ2000
Orbit Uncertainty9 U
Orbital Period585.47 days
Min. Orbit Intersection.000224438
Mean Anomaly35.751059
Mean Motion0.614889
Semi-major Axis1.369635 au
Eccentricity0.439431
Is Hazardous?No
Jupiter Tisserand invariant4.720
Inclination1.510559 deg
Ascending Node Longitude17.645996 deg
Perihelion Distance0.767775 au
Perihelion Argument284.598491 deg
Perihelion Time2452872.357734 JED
Aphelion Distance1.971495 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2452930.5

List of Asteroid 2003 UM3 Close Approaches to Earth

List of approaches near Earth of asteroid 2003 UM3 with distance and velocity information.

12 October 2003

Distance278,516 km
Distance (miles)173,062 mi
Lunar Distance0.724228 LD
Astronomical Distance0.001862 AU
Velocity (km per hour)46,259 km/h
Velocity (meters per second)12,850 m/s
Orbiting BodyEarth

Asteroid 2003 UM3 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
12 October 200346,259 km/h278,516 km