Asteroids Near Earth

Asteroid 1998 HH1

1998 HH1 asteroid magnitude is 23.2 H and asteroid diameter is between 61 and 136 meters. Asteroid 1998 HH1 closest near miss earth distance is 10,678,854 kilometers on 20 April 1998.

Magnitude23.2 H
Diameter min.60.89 meters
Diameter max.136.16 meters
EquinoxJ2000
Orbit Uncertainty7 U
Orbital Period1155.82 days
Min. Orbit Intersection.0559982
Mean Anomaly44.935325
Mean Motion0.311466
Semi-major Axis2.155404 au
Eccentricity0.50931
Is Hazardous?No
Jupiter Tisserand invariant3.479
Inclination15.998227 deg
Ascending Node Longitude203.585086 deg
Perihelion Distance1.057634 au
Perihelion Argument359.914639 deg
Perihelion Time2457856.22978 JED
Aphelion Distance3.253173 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2458000.5

List of Asteroid 1998 HH1 Close Approaches to Earth

List of approaches near Earth of asteroid 1998 HH1 with distance and velocity information.

20 April 1998

Distance10,678,854 km
Distance (miles)6,635,532 mi
Lunar Distance27.76827 LD
Astronomical Distance0.071384 AU
Velocity (km per hour)39,860 km/h
Velocity (meters per second)11,072 m/s
Orbiting BodyEarth

Asteroid 1998 HH1 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
20 April 199839,860 km/h10,678,854 km