Asteroids Near Earth

Asteroid 1998 SS4

1998 SS4 asteroid magnitude is 21.8 H and asteroid diameter is between 116 and 259 meters. Asteroid 1998 SS4 closest near miss earth distance is 17,602,288 kilometers on 23 September 1998.

Magnitude21.8 H
Diameter min.116.03 meters
Diameter max.259.44 meters
EquinoxJ2000
Orbit Uncertainty7 U
Orbital Period1252.53 days
Min. Orbit Intersection.106643
Mean Anomaly190.148675
Mean Motion0.287419
Semi-major Axis2.274009 au
Eccentricity0.511826
Is Hazardous?No
Jupiter Tisserand invariant3.408
Inclination9.606673 deg
Ascending Node Longitude180.777682 deg
Perihelion Distance1.110113 au
Perihelion Argument174.584851 deg
Perihelion Time2458591.453327 JED
Aphelion Distance3.437905 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2458000.5

List of Asteroid 1998 SS4 Close Approaches to Earth

List of approaches near Earth of asteroid 1998 SS4 with distance and velocity information.

23 September 1998

Distance17,602,288 km
Distance (miles)10,937,555 mi
Lunar Distance45.771305 LD
Astronomical Distance0.117664 AU
Velocity (km per hour)27,614 km/h
Velocity (meters per second)7,670 m/s
Orbiting BodyEarth

Asteroid 1998 SS4 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
23 September 199827,614 km/h17,602,288 km