Asteroids Near Earth

Asteroid 1999 RP28

1999 RP28 asteroid magnitude is 22.6 H and asteroid diameter is between 80 and 179 meters. Asteroid 1999 RP28 closest near miss earth distance is 5,293,678 kilometers on 7 April 1997.

Magnitude22.6 H
Diameter min.80.27 meters
Diameter max.179.49 meters
Orbit Uncertainty8 U
Orbital Period655.33 days
Min. Orbit Intersection.132231
Mean Anomaly19.447748
Mean Motion0.549345
Semi-major Axis1.476519 au
Is Hazardous?No
Jupiter Tisserand invariant4.545
Inclination9.238991 deg
Ascending Node Longitude174.256543 deg
Perihelion Distance1.121224 au
Perihelion Argument144.757658 deg
Perihelion Time2451399.098318 JED
Aphelion Distance1.831815 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2451434.5

List of Asteroid 1999 RP28 Close Approaches to Earth

List of approaches near Earth of asteroid 1999 RP28 with distance and velocity information.

30 August 1999

Distance21,145,174 km
Distance (miles)13,139,002 mi
Lunar Distance54.983887 LD
Astronomical Distance0.141347 AU
Velocity (km per hour)18,113 km/h
Velocity (meters per second)5,031 m/s
Orbiting BodyEarth

7 April 1997

Distance5,293,678 km
Distance (miles)3,289,339 mi
Lunar Distance13.765173 LD
Astronomical Distance0.035386 AU
Velocity (km per hour)19,828 km/h
Velocity (meters per second)5,508 m/s
Orbiting BodyMars

Asteroid 1999 RP28 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
30 August 199918,113 km/h21,145,174 km
7 April 199719,828 km/h5,293,678 km