Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.676048E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:32:33+0800
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    1 Object 1

    AOE ID 4640
    NORAD ID 4640
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 48970
    NORAD ID 48970
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter THORAD AGENA D DEB ONEWEB-0252
    Time of Closest Approach 2026-09-12T21:52:26+0000
    Collision Probability (Pc) 1.676048E-6
    Conjunction Distance (km) 2.535 km
    Relative Speed (km/s) 14.271 km/s
    Conjunction Risk Parameters R (Radial): -0.826 | I (In-track): -0.382 | C (Cross-track): -2.365
    Collision Risk Index (CRI) 0.39
    X Position (km) 2874.205 2872.929
    Position Y (km) 2034.994 2036.952
    Position Z (km) -6718.301 -6717.321
    Velocity X (km/s) 6.377 -5.544
    Velocity Y (km/s) 1.2 -3.234
    Velocity Z (km/s) 3.118 -3.354

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB ONEWEB-0252
    Semimajor Axis (a) 7490.200 km 7575.884 km
    Eccentricity (e) 0.012157 0.000202
    Inclination (i) 100.0460° 87.9139°
    RAAN 13.9279° 211.6927°
    Perigee Argument 105.3190° 90.0523°
    Mean Anomaly (M) 284.3324° 270.0840°
    Apogee 1203.125 km 1199.280 km
    Perigee 1021.001 km 1196.214 km
    Orbit Epoch 2026-09-11T06:53:39+0000 2026-09-11T04:31:14+0000

    THORAD AGENA D DEB & ONEWEB-0252 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & ONEWEB-0252 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & ONEWEB-0252 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & ONEWEB-0252 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0252Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0252Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data