Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.08351E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:04:24+0800
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    1 Object 1

    Name USA 16
    AOE ID 16624
    NORAD ID 16624
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 42413
    NORAD ID 42413
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter USA 16 NOAA 16 DEB
    Time of Closest Approach 2026-09-14T02:52:38+0000
    Collision Probability (Pc) 2.08351E-6
    Conjunction Distance (km) 2.287 km
    Relative Speed (km/s) 14.725 km/s
    Conjunction Risk Parameters R (Radial): -1.452 | I (In-track): -0.447 | C (Cross-track): 1.709
    Collision Risk Index (CRI) 0.41
    X Position (km) -740.948 -742.326
    Position Y (km) -5084.136 -5082.378
    Position Z (km) 4902.246 4901.758
    Velocity X (km/s) 5.325 -2.324
    Velocity Y (km/s) 3.779 -4.764
    Velocity Z (km/s) 3.938 -5.3

    Orbital Parameters 国际轨道数据源

    Parameter USA 16 NOAA 16 DEB
    Semimajor Axis (a) 7368.139 km 7107.594 km
    Eccentricity (e) 0.078714 0.002025
    Inclination (i) 63.2988° 98.9468°
    RAAN 240.8053° 68.9198°
    Perigee Argument 117.8587° 221.7256°
    Mean Anomaly (M) 250.4455° 138.2393°
    Apogee 1569.980 km 743.848 km
    Perigee 410.024 km 715.066 km
    Orbit Epoch 2026-09-11T06:26:40+0000 2026-09-10T05:26:07+0000

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

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

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

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

    USA 16Miss 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

    USA 16Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 16

    No nearby objects data