# Asteroid 1999 TT16

**1999 TT16** asteroid magnitude is
19.6 H and asteroid diameter is between 320 and 715 meters.
Asteroid 1999 TT16 closest near miss earth distance is 28,713,160 kilometers on 26 February 1914.

Magnitude | 19.6 H |

Diameter min. | 319.56 meters |

Diameter max. | 714.56 meters |

Equinox | J2000 |

Orbit Uncertainty | 7 U |

Orbital Period | 1158.8 days |

Min. Orbit Intersection | .0228488 |

Mean Anomaly | 192.825466 |

Mean Motion | 0.310666 |

Semi-major Axis | 2.159105 au |

Eccentricity | 0.665481 |

Is Hazardous? | **YES** |

Jupiter Tisserand invariant | 3.371 |

Inclination | 2.008741 deg |

Ascending Node Longitude | 327.956673 deg |

Perihelion Distance | 0.722262 au |

Perihelion Argument | 149.000152 deg |

Perihelion Time | 2458538.617082 JED |

Aphelion Distance | 3.595949 au |

Orbit Determination Date | 6 April 2017 |

Epoch Osculation Date | 2458000.5 |

## List of Asteroid 1999 TT16 Close Approaches to Earth

List of approaches near Earth of asteroid 1999 TT16 with distance and velocity information.

### 24 January 2000

Distance | 37,915,816 km |
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Distance (miles) | 23,559,796 mi |
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Lunar Distance | 98.592667 LD |
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Astronomical Distance | 0.253452 AU |
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Velocity (km per hour) | 52,911 km/h |
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Velocity (meters per second) | 14,697 m/s |
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Orbiting Body | Earth |
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### 26 February 1914

Distance | 28,713,160 km |
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Distance (miles) | 17,841,530 mi |
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Lunar Distance | 74.662956 LD |
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Astronomical Distance | 0.191936 AU |
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Velocity (km per hour) | 46,416 km/h |
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Velocity (meters per second) | 12,893 m/s |
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Orbiting Body | Earth |
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#### Asteroid 1999 TT16 Velocity Distance Comparison

Asteroid Pass Date | Velocity | Distance |
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24 January 2000 | 52,911 km/h | 37,915,816 km |

26 February 1914 | 46,416 km/h | 28,713,160 km |