Asteroids Near Earth

Asteroid 1998 US18

1998 US18 asteroid magnitude is 20.7 H and asteroid diameter is between 193 and 431 meters. Asteroid 1998 US18 closest near miss earth distance is 17,334,932 kilometers on 19 October 1998.

Magnitude20.7 H
Diameter min.192.56 meters
Diameter max.430.57 meters
Orbit Uncertainty8 U
Orbital Period1552.89 days
Min. Orbit Intersection.0319583
Mean Anomaly11.067995
Mean Motion0.231827
Semi-major Axis2.624383 au
Is Hazardous?YES
Jupiter Tisserand invariant3.008
Inclination9.662824 deg
Ascending Node Longitude207.610622 deg
Perihelion Distance0.838019 au
Perihelion Argument115.233455 deg
Perihelion Time2451066.757431 JED
Aphelion Distance4.410748 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2451114.5

List of Asteroid 1998 US18 Close Approaches to Earth

List of approaches near Earth of asteroid 1998 US18 with distance and velocity information.

19 October 1998

Distance17,334,932 km
Distance (miles)10,771,427 mi
Lunar Distance45.076099 LD
Astronomical Distance0.115877 AU
Velocity (km per hour)69,812 km/h
Velocity (meters per second)19,392 m/s
Orbiting BodyEarth

Asteroid 1998 US18 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
19 October 199869,812 km/h17,334,932 km