Asteroids Near Earth

Asteroid 1999 AF4

1999 AF4 asteroid magnitude is 18.2 H and asteroid diameter is between 609 and 1,362 meters. Asteroid 1999 AF4 closest near miss earth distance is 17,047,486 kilometers on 3 January 2018.

Magnitude18.2 H
Diameter min.608.91 meters
Diameter max.1361.57 meters
EquinoxJ2000
Orbit Uncertainty0 U
Orbital Period1732.29 days
Min. Orbit Intersection.11466
Mean Anomaly337.245247
Mean Motion0.207817
Semi-major Axis2.822814 au
Eccentricity0.618937
Is Hazardous?No
Jupiter Tisserand invariant2.972
Inclination12.598866 deg
Ascending Node Longitude294.917957 deg
Perihelion Distance1.075671 au
Perihelion Argument154.79962 deg
Perihelion Time2458109.994285 JED
Aphelion Distance4.569957 au
Orbit Determination Date 1 January 2018
Epoch Osculation Date2458000.5

List of Asteroid 1999 AF4 Close Approaches to Earth

List of approaches near Earth of asteroid 1999 AF4 with distance and velocity information.

20 April 2150

Distance275,170,880 km
Distance (miles)170,983,258 mi
Lunar Distance715.528076 LD
Astronomical Distance1.839404 AU
Velocity (km per hour)32,300 km/h
Velocity (meters per second)8,972 m/s
Orbiting BodyJuptr

16 September 2126

Distance203,123,504 km
Distance (miles)126,215,094 mi
Lunar Distance528.182922 LD
Astronomical Distance1.357797 AU
Velocity (km per hour)26,628 km/h
Velocity (meters per second)7,397 m/s
Orbiting BodyJuptr

24 November 2118

Distance70,892,408 km
Distance (miles)44,050,500 mi
Lunar Distance184.341827 LD
Astronomical Distance0.473886 AU
Velocity (km per hour)60,968 km/h
Velocity (meters per second)16,936 m/s
Orbiting BodyEarth

12 December 2102

Distance218,400,992 km
Distance (miles)135,708,085 mi
Lunar Distance567.909058 LD
Astronomical Distance1.45992 AU
Velocity (km per hour)27,560 km/h
Velocity (meters per second)7,656 m/s
Orbiting BodyJuptr

19 January 2095

Distance56,441,856 km
Distance (miles)35,071,343 mi
Lunar Distance146.766006 LD
Astronomical Distance0.37729 AU
Velocity (km per hour)55,744 km/h
Velocity (meters per second)15,484 m/s
Orbiting BodyEarth

21 December 2070

Distance46,851,556 km
Distance (miles)29,112,207 mi
Lunar Distance121.828308 LD
Astronomical Distance0.313183 AU
Velocity (km per hour)35,206 km/h
Velocity (meters per second)9,779 m/s
Orbiting BodyEarth

30 December 2041

Distance22,752,480 km
Distance (miles)14,137,736 mi
Lunar Distance59.163376 LD
Astronomical Distance0.152091 AU
Velocity (km per hour)32,103 km/h
Velocity (meters per second)8,918 m/s
Orbiting BodyEarth

24 December 2019

Distance218,092,944 km
Distance (miles)135,516,673 mi
Lunar Distance567.108032 LD
Astronomical Distance1.457861 AU
Velocity (km per hour)25,996 km/h
Velocity (meters per second)7,221 m/s
Orbiting BodyJuptr

3 January 2018

Distance17,047,486 km
Distance (miles)10,592,817 mi
Lunar Distance44.328651 LD
Astronomical Distance0.113955 AU
Velocity (km per hour)34,786 km/h
Velocity (meters per second)9,663 m/s
Orbiting BodyEarth

15 January 1999

Distance29,560,224 km
Distance (miles)18,367,872 mi
Lunar Distance76.865578 LD
Astronomical Distance0.197598 AU
Velocity (km per hour)45,035 km/h
Velocity (meters per second)12,510 m/s
Orbiting BodyEarth

1 April 1996

Distance218,873,392 km
Distance (miles)136,001,620 mi
Lunar Distance569.137451 LD
Astronomical Distance1.463078 AU
Velocity (km per hour)26,028 km/h
Velocity (meters per second)7,230 m/s
Orbiting BodyJuptr

11 November 1984

Distance64,163,968 km
Distance (miles)39,869,641 mi
Lunar Distance166.84584 LD
Astronomical Distance0.42891 AU
Velocity (km per hour)64,505 km/h
Velocity (meters per second)17,918 m/s
Orbiting BodyEarth

4 August 1972

Distance298,173,344 km
Distance (miles)185,276,326 mi
Lunar Distance775.341492 LD
Astronomical Distance1.993166 AU
Velocity (km per hour)33,509 km/h
Velocity (meters per second)9,308 m/s
Orbiting BodyJuptr

14 February 1913

Distance214,095,056 km
Distance (miles)133,032,500 mi
Lunar Distance556.712341 LD
Astronomical Distance1.431137 AU
Velocity (km per hour)27,444 km/h
Velocity (meters per second)7,623 m/s
Orbiting BodyJuptr

Asteroid 1999 AF4 Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
20 April 215032,300 km/h275,170,880 km
16 September 212626,628 km/h203,123,504 km
24 November 211860,968 km/h70,892,408 km
12 December 210227,560 km/h218,400,992 km
19 January 209555,744 km/h56,441,856 km
21 December 207035,206 km/h46,851,556 km
30 December 204132,103 km/h22,752,480 km
24 December 201925,996 km/h218,092,944 km
3 January 201834,786 km/h17,047,486 km
15 January 199945,035 km/h29,560,224 km
1 April 199626,028 km/h218,873,392 km
11 November 198464,505 km/h64,163,968 km
4 August 197233,509 km/h298,173,344 km
14 February 191327,444 km/h214,095,056 km