Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.343516E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:11:54+0800
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    1 Object 1

    Name NOAA 12
    AOE ID 21263
    NORAD ID 21263
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 42333
    NORAD ID 42333
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 12 NOAA 16 DEB
    Time of Closest Approach 2026-09-06T08:24:04+0000
    Collision Probability (Pc) 1.343516E-6
    Conjunction Distance (km) 2.916 km
    Relative Speed (km/s) 14.003 km/s
    Conjunction Risk Parameters R (Radial): -2.913 | I (In-track): -0.046 | C (Cross-track): -0.114
    Collision Risk Index (CRI) 0.38
    X Position (km) -2489.401 -2488.316
    Position Y (km) -2013.317 -2012.598
    Position Z (km) 6418.972 6416.362
    Velocity X (km/s) 3.314 -6.501
    Velocity Y (km/s) 5.904 -1.907
    Velocity Z (km/s) 3.119 -3.104

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 12 NOAA 16 DEB
    Semimajor Axis (a) 7180.723 km 7171.688 km
    Eccentricity (e) 0.001412 0.001327
    Inclination (i) 98.6288° 98.9749°
    RAAN 235.2936° 17.8769°
    Perigee Argument 151.3089° 2.0575°
    Mean Anomaly (M) 208.8871° 358.0658°
    Apogee 812.724 km 803.072 km
    Perigee 792.448 km 784.030 km
    Orbit Epoch 2026-09-04T22:26:10+0000 2026-09-03T19:23:22+0000

    NOAA 12 & NOAA 16 DEB Collision Probability (Pc) Trend

    NOAA 12 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    NOAA 12 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    NOAA 12 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    NOAA 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 12

    No nearby objects data