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.
| Magnitude | 28.2 H |
| Diameter min. | 6.09 meters |
| Diameter max. | 13.62 meters |
| Equinox | J2000 |
| Orbit Uncertainty | 8 U |
| Orbital Period | 548.56 days |
| Min. Orbit Intersection | .00397974 |
| Mean Anomaly | 32.563912 |
| Mean Motion | 0.656267 |
| Semi-major Axis | 1.311442 au |
| Eccentricity | 0.319534 |
| Is Hazardous? | No |
| Jupiter Tisserand invariant | 4.917 |
| Inclination | 3.365255 deg |
| Ascending Node Longitude | 185.743197 deg |
| Perihelion Distance | 0.892392 au |
| Perihelion Argument | 300.624115 deg |
| Perihelion Time | 2455598.880055 JED |
| Aphelion Distance | 1.730493 au |
| Orbit Determination Date | 6 April 2017 |
| Epoch Osculation Date | 2455648.5 |
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
| Distance | 591,287 km |
|---|
| Distance (miles) | 367,409 mi |
|---|
| Lunar Distance | 1.537527 LD |
|---|
| Astronomical Distance | 0.003953 AU |
|---|
| Velocity (km per hour) | 26,971 km/h |
|---|
| Velocity (meters per second) | 7,492 m/s |
|---|
| Orbiting Body | Earth |
|---|
24 October 2010
| Distance | 54,087,716 km |
|---|
| Distance (miles) | 33,608,549 mi |
|---|
| Lunar Distance | 140.644531 LD |
|---|
| Astronomical Distance | 0.361554 AU |
|---|
| Velocity (km per hour) | 18,718 km/h |
|---|
| Velocity (meters per second) | 5,200 m/s |
|---|
| Orbiting Body | Earth |
|---|
Asteroid 2011 FQ21 Velocity Distance Comparison
| Asteroid Pass Date | Velocity | Distance |
|---|
| 23 March 2011 | 26,971 km/h | 591,287 km |
| 24 October 2010 | 18,718 km/h | 54,087,716 km |
