Asteroids Near Earth

Asteroid 2011 FQ21

2011 FQ21 asteroid magnitude is 28.2 H and asteroid diameter is between 6 and 14 meters. Asteroid 2011 FQ21 closest near miss earth distance is 591,287 kilometers on 23 March 2011.

Magnitude28.2 H
Diameter min.6.09 meters
Diameter max.13.62 meters
EquinoxJ2000
Orbit Uncertainty8 U
Orbital Period548.56 days
Min. Orbit Intersection.00397974
Mean Anomaly32.563912
Mean Motion0.656267
Semi-major Axis1.311442 au
Eccentricity0.319534
Is Hazardous?No
Jupiter Tisserand invariant4.917
Inclination3.365255 deg
Ascending Node Longitude185.743197 deg
Perihelion Distance0.892392 au
Perihelion Argument300.624115 deg
Perihelion Time2455598.880055 JED
Aphelion Distance1.730493 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2455648.5

List of Asteroid 2011 FQ21 Close Approaches to Earth

List of approaches near Earth of asteroid 2011 FQ21 with distance and velocity information.

23 March 2011

Distance591,287 km
Distance (miles)367,409 mi
Lunar Distance1.537527 LD
Astronomical Distance0.003953 AU
Velocity (km per hour)26,971 km/h
Velocity (meters per second)7,492 m/s
Orbiting BodyEarth

24 October 2010

Distance54,087,716 km
Distance (miles)33,608,549 mi
Lunar Distance140.644531 LD
Astronomical Distance0.361554 AU
Velocity (km per hour)18,718 km/h
Velocity (meters per second)5,200 m/s
Orbiting BodyEarth

Asteroid 2011 FQ21 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
23 March 201126,971 km/h591,287 km
24 October 201018,718 km/h54,087,716 km