Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.422779E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T16:07:46+0800
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    1 Object 1

    AOE ID 7836
    NORAD ID 7836
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69405
    NORAD ID 69405
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-187
    Time of Closest Approach 2026-10-12T20:01:07+0000
    Collision Probability (Pc) 1.422779E-6
    Conjunction Distance (km) 2.837 km
    Relative Speed (km/s) 14.521 km/s
    Conjunction Risk Parameters R (Radial): -1.936 | I (In-track): 0.122 | C (Cross-track): -2.068
    Collision Risk Index (CRI) 0.38
    X Position (km) -251.801 -253.799
    Position Y (km) -7446.269 -7444.261
    Position Z (km) 104.188 104.328
    Velocity X (km/s) -1.001 0.133
    Velocity Y (km/s) 0.09 0.107
    Velocity Z (km/s) -7.161 7.315

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-187
    Semimajor Axis (a) 7281.913 km 7446.611 km
    Eccentricity (e) 0.032151 0.000245
    Inclination (i) 97.9791° 88.9894°
    RAAN 86.9841° 268.1239°
    Perigee Argument 318.8404° 89.0386°
    Mean Anomaly (M) 38.8910° 271.1046°
    Apogee 1137.895 km 1070.299 km
    Perigee 669.657 km 1066.649 km
    Orbit Epoch 2026-10-11T17:21:32+0000 2026-10-11T22:41:06+0000

    DELTA 1 DEB & QIANFAN-187 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-187 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-187 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-187 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-187Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-187Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data