Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.940936E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:33:45+0800
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    1 Object 1

    AOE ID 4989
    NORAD ID 4989
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 68643
    NORAD ID 68643
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-116
    Time of Closest Approach 2026-09-12T19:00:31+0000
    Collision Probability (Pc) 1.940936E-6
    Conjunction Distance (km) 2.359 km
    Relative Speed (km/s) 14.547 km/s
    Conjunction Risk Parameters R (Radial): -2.214 | I (In-track): -0.058 | C (Cross-track): 0.81
    Collision Risk Index (CRI) 0.41
    X Position (km) 4663.386 4662.617
    Position Y (km) -5100.032 -5097.996
    Position Z (km) 2777.156 2776.248
    Velocity X (km/s) 0.815 -1.745
    Velocity Y (km/s) -2.833 2.115
    Velocity Z (km/s) -6.652 6.786

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-116
    Semimajor Axis (a) 7364.727 km 7446.629 km
    Eccentricity (e) 0.012513 0.000252
    Inclination (i) 99.6238° 88.9872°
    RAAN 126.8439° 312.1982°
    Perigee Argument 317.2665° 92.2497°
    Mean Anomaly (M) 197.4259° 267.8942°
    Apogee 1078.747 km 1070.369 km
    Perigee 894.433 km 1066.615 km
    Orbit Epoch 2026-09-11T02:47:05+0000 2026-09-11T05:34:25+0000

    THORAD AGENA D DEB & QIANFAN-116 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-116 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-116 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-116 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-116Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-116Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data