Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.157225E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:35:16+0800
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    1 Object 1

    AOE ID 5220
    NORAD ID 5220
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 45146
    NORAD ID 45146
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter THORAD AGENA D DEB ONEWEB-0039
    Time of Closest Approach 2026-09-12T23:02:46+0000
    Collision Probability (Pc) 2.157225E-6
    Conjunction Distance (km) 2.123 km
    Relative Speed (km/s) 11.902 km/s
    Conjunction Risk Parameters R (Radial): 0.653 | I (In-track): 1.17 | C (Cross-track): -1.646
    Collision Risk Index (CRI) 0.42
    X Position (km) 1121.14 1120.701
    Position Y (km) 674.402 672.529
    Position Z (km) 7476.687 7477.584
    Velocity X (km/s) 4.494 -6.776
    Velocity Y (km/s) -5.71 -2.258
    Velocity Z (km/s) -0.431 1.216

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB ONEWEB-0039
    Semimajor Axis (a) 7669.207 km 7599.854 km
    Eccentricity (e) 0.038060 0.000225
    Inclination (i) 99.8310° 87.8897°
    RAAN 127.1464° 19.1273°
    Perigee Argument 173.4163° 104.8603°
    Mean Anomaly (M) 342.4570° 255.2773°
    Apogee 1582.957 km 1223.425 km
    Perigee 999.183 km 1220.009 km
    Orbit Epoch 2026-09-11T02:46:33+0000 2026-09-11T06:19:17+0000

    THORAD AGENA D DEB & ONEWEB-0039 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & ONEWEB-0039 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & ONEWEB-0039 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & ONEWEB-0039 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0039Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0039Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data