Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.360894E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T20:39:54+0800
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    1 Object 1

    AOE ID 21279
    NORAD ID 21279
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60380
    NORAD ID 60380
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-2
    Time of Closest Approach 2026-10-25T04:24:47+0000
    Collision Probability (Pc) 1.360894E-6
    Conjunction Distance (km) 2.938 km
    Relative Speed (km/s) 14.556 km/s
    Conjunction Risk Parameters R (Radial): 0.533 | I (In-track): -0.29 | C (Cross-track): 2.875
    Collision Risk Index (CRI) 0.38
    X Position (km) -469.254 -466.41
    Position Y (km) -5747.909 -5748.348
    Position Z (km) -4708.987 -4709.576
    Velocity X (km/s) -1.181 -0.204
    Velocity Y (km/s) 4.595 -4.618
    Velocity Z (km/s) -5.555 5.671

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-2
    Semimajor Axis (a) 7422.484 km 7446.638 km
    Eccentricity (e) 0.005623 0.001313
    Inclination (i) 99.4688° 88.9677°
    RAAN 91.4244° 266.2967°
    Perigee Argument 110.7668° 5.5020°
    Mean Anomaly (M) 279.5173° 354.6273°
    Apogee 1086.081 km 1078.280 km
    Perigee 1002.613 km 1058.722 km
    Orbit Epoch 2026-10-23T09:02:09+0000 2026-10-24T07:16:36+0000

    DELTA 1 DEB & QIANFAN-2 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-2 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-2 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-2 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data