Asteroids Near Earth

Asteroid 1991 TT

1991 TT asteroid magnitude is 26 H and asteroid diameter is between 17 and 38 meters. Asteroid 1991 TT closest near miss earth distance is 4,617,274 kilometers on 7 October 1991.

Magnitude26 H
Diameter min.16.77 meters
Diameter max.37.5 meters
EquinoxJ2000
Orbit Uncertainty8 U
Orbital Period476.56 days
Min. Orbit Intersection.030637
Mean Anomaly334.171447
Mean Motion0.755414
Semi-major Axis1.194023 au
Eccentricity0.160975
Is Hazardous?No
Jupiter Tisserand invariant5.272
Inclination14.787939 deg
Ascending Node Longitude192.520286 deg
Perihelion Distance1.001815 au
Perihelion Argument217.691568 deg
Perihelion Time2448571.691237 JED
Aphelion Distance1.38623 au
Orbit Determination Date 6 April 2017
Epoch Osculation Date2448537.5

List of Asteroid 1991 TT Close Approaches to Earth

List of approaches near Earth of asteroid 1991 TT with distance and velocity information.

9 October 2120

Distance7,003,768 km
Distance (miles)4,351,939 mi
Lunar Distance18.211927 LD
Astronomical Distance0.046817 AU
Velocity (km per hour)28,904 km/h
Velocity (meters per second)8,029 m/s
Orbiting BodyEarth

27 January 1992

Distance42,012,296 km
Distance (miles)26,105,230 mi
Lunar Distance109.244759 LD
Astronomical Distance0.280835 AU
Velocity (km per hour)19,535 km/h
Velocity (meters per second)5,426 m/s
Orbiting BodyEarth

7 October 1991

Distance4,617,274 km
Distance (miles)2,869,041 mi
Lunar Distance12.006318 LD
Astronomical Distance0.030865 AU
Velocity (km per hour)29,802 km/h
Velocity (meters per second)8,278 m/s
Orbiting BodyEarth

Asteroid 1991 TT Velocity Distance Comparison

Asteroid Pass DateVelocityDistance
9 October 212028,904 km/h7,003,768 km
27 January 199219,535 km/h42,012,296 km
7 October 199129,802 km/h4,617,274 km