Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.175037E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:29:12+0800
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    1 Object 1

    AOE ID 60394
    NORAD ID 60394
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 60612
    NORAD ID 60612
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter QIANFAN-16 COSMOS 2499 DEB
    Time of Closest Approach 2026-09-13T20:17:07+0000
    Collision Probability (Pc) 4.175037E-6
    Conjunction Distance (km) 1.741 km
    Relative Speed (km/s) 14.644 km/s
    Conjunction Risk Parameters R (Radial): -1.338 | I (In-track): 0.073 | C (Cross-track): 1.111
    Collision Risk Index (CRI) 0.47
    X Position (km) -113.945 -115.035
    Position Y (km) 7433.884 7432.528
    Position Z (km) -337.107 -337.098
    Velocity X (km/s) -0.127 -1.015
    Velocity Y (km/s) -0.317 0.513
    Velocity Z (km/s) -7.315 7.277

    Orbital Parameters 国际轨道数据源

    Parameter QIANFAN-16 COSMOS 2499 DEB
    Semimajor Axis (a) 7446.627 km 7531.517 km
    Eccentricity (e) 0.001601 0.030495
    Inclination (i) 88.9668° 82.1420°
    RAAN 271.1056° 93.9419°
    Perigee Argument 139.0918° 298.8541°
    Mean Anomaly (M) 221.1437° 58.2293°
    Apogee 1080.410 km 1383.058 km
    Perigee 1056.570 km 923.702 km
    Orbit Epoch 2026-09-11T05:10:27+0000 2026-09-10T07:19:53+0000

    QIANFAN-16 & COSMOS 2499 DEB Collision Probability (Pc) Trend

    QIANFAN-16 & COSMOS 2499 DEB Collision Probability (Pc) TrendNot Available

    QIANFAN-16 & COSMOS 2499 DEB Miss Distance (Miss Distance) Trend

    QIANFAN-16 & COSMOS 2499 DEB Miss Distance (Miss Distance) TrendNot Available

    QIANFAN-16Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2499 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QIANFAN-16Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2499 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QIANFAN-16

    No nearby objects data