Asteroids Near Earth

Asteroid 2011 ST12

2011 ST12 asteroid magnitude is 26.4 H and asteroid diameter is between 14 and 31 meters. Asteroid 2011 ST12 closest near miss earth distance is 4,052,005 kilometers on 29 September 2011.

Magnitude26.4 H
Diameter min.13.95 meters
Diameter max.31.19 meters
Orbit Uncertainty7 U
Orbital Period431.66 days
Min. Orbit Intersection.0267785
Mean Anomaly94.816579
Mean Motion0.833983
Semi-major Axis1.117801 au
Is Hazardous?No
Jupiter Tisserand invariant5.555
Inclination6.148692 deg
Ascending Node Longitude353.830578 deg
Perihelion Distance0.875755 au
Perihelion Argument89.228556 deg
Perihelion Time2458486.808766 JED
Aphelion Distance1.359848 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2458600.5

List of Asteroid 2011 ST12 Close Approaches to Earth

List of approaches near Earth of asteroid 2011 ST12 with distance and velocity information.

25 February 2045

Distance5,368,776 km
Distance (miles)3,336,003 mi
Lunar Distance13.960451 LD
Astronomical Distance0.035888 AU
Velocity (km per hour)21,875 km/h
Velocity (meters per second)6,076 m/s
Orbiting BodyEarth

22 September 2037

Distance20,655,144 km
Distance (miles)12,834,511 mi
Lunar Distance53.70966 LD
Astronomical Distance0.138071 AU
Velocity (km per hour)36,438 km/h
Velocity (meters per second)10,122 m/s
Orbiting BodyEarth

29 February 2032

Distance7,758,372 km
Distance (miles)4,820,829 mi
Lunar Distance20.174129 LD
Astronomical Distance0.051862 AU
Velocity (km per hour)27,039 km/h
Velocity (meters per second)7,511 m/s
Orbiting BodyEarth

27 September 2024

Distance6,206,492 km
Distance (miles)3,856,535 mi
Lunar Distance16.138767 LD
Astronomical Distance0.041488 AU
Velocity (km per hour)26,224 km/h
Velocity (meters per second)7,284 m/s
Orbiting BodyEarth

5 March 2019

Distance20,353,504 km
Distance (miles)12,647,081 mi
Lunar Distance52.925304 LD
Astronomical Distance0.136055 AU
Velocity (km per hour)36,250 km/h
Velocity (meters per second)10,070 m/s
Orbiting BodyEarth

30 April 2012

Distance46,030,188 km
Distance (miles)28,601,833 mi
Lunar Distance119.692497 LD
Astronomical Distance0.307693 AU
Velocity (km per hour)21,423 km/h
Velocity (meters per second)5,951 m/s
Orbiting BodyEarth

29 September 2011

Distance4,052,005 km
Distance (miles)2,517,799 mi
Lunar Distance10.536447 LD
Astronomical Distance0.027086 AU
Velocity (km per hour)23,687 km/h
Velocity (meters per second)6,580 m/s
Orbiting BodyEarth

4 March 2006

Distance20,219,124 km
Distance (miles)12,563,581 mi
Lunar Distance52.575878 LD
Astronomical Distance0.135156 AU
Velocity (km per hour)36,145 km/h
Velocity (meters per second)10,040 m/s
Orbiting BodyEarth

26 September 1998

Distance8,090,716 km
Distance (miles)5,027,338 mi
Lunar Distance21.038324 LD
Astronomical Distance0.054083 AU
Velocity (km per hour)27,673 km/h
Velocity (meters per second)7,687 m/s
Orbiting BodyEarth

27 February 1993

Distance9,182,434 km
Distance (miles)5,705,700 mi
Lunar Distance23.877123 LD
Astronomical Distance0.061381 AU
Velocity (km per hour)27,971 km/h
Velocity (meters per second)7,770 m/s
Orbiting BodyEarth

21 September 1985

Distance21,427,114 km
Distance (miles)13,314,191 mi
Lunar Distance55.717018 LD
Astronomical Distance0.143231 AU
Velocity (km per hour)36,975 km/h
Velocity (meters per second)10,271 m/s
Orbiting BodyEarth

Asteroid 2011 ST12 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
25 February 204521,875 km/h5,368,776 km
22 September 203736,438 km/h20,655,144 km
29 February 203227,039 km/h7,758,372 km
27 September 202426,224 km/h6,206,492 km
5 March 201936,250 km/h20,353,504 km
30 April 201221,423 km/h46,030,188 km
29 September 201123,687 km/h4,052,005 km
4 March 200636,145 km/h20,219,124 km
26 September 199827,673 km/h8,090,716 km
27 February 199327,971 km/h9,182,434 km
21 September 198536,975 km/h21,427,114 km