Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.541412E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T00:53:18+0800
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    1 Object 1

    AOE ID 4991
    NORAD ID 4991
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69863
    NORAD ID 69863
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-234
    Time of Closest Approach 2026-10-24T19:33:30+0000
    Collision Probability (Pc) 3.541412E-6
    Conjunction Distance (km) 1.675 km
    Relative Speed (km/s) 9.579 km/s
    Conjunction Risk Parameters R (Radial): -1.625 | I (In-track): -0.3 | C (Cross-track): -0.267
    Collision Risk Index (CRI) 0.46
    X Position (km) -771.197 -771.023
    Position Y (km) -1122.09 -1122.243
    Position Z (km) -7331.676 -7330.017
    Velocity X (km/s) -4.909 4.615
    Velocity Y (km/s) 5.388 5.501
    Velocity Z (km/s) -0.318 -1.328

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-234
    Semimajor Axis (a) 7437.503 km 7446.565 km
    Eccentricity (e) 0.002104 0.000191
    Inclination (i) 100.2252° 89.0129°
    RAAN 131.0981° 50.2337°
    Perigee Argument 127.7855° 94.9862°
    Mean Anomaly (M) 23.9240° 265.1507°
    Apogee 1075.015 km 1069.853 km
    Perigee 1043.717 km 1067.003 km
    Orbit Epoch 2026-10-24T01:14:53+0000 2026-10-24T07:36:47+0000

    THORAD AGENA D DEB & QIANFAN-234 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-234 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-234 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-234 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-234Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-234Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data