Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.515526E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T02:50:22+0800
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    1 Object 1

    AOE ID 20892
    NORAD ID 20892
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68646
    NORAD ID 68646
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB QIANFAN-119
    Time of Closest Approach 2026-10-22T09:51:54+0000
    Collision Probability (Pc) 2.515526E-6
    Conjunction Distance (km) 2.097 km
    Relative Speed (km/s) 14.541 km/s
    Conjunction Risk Parameters R (Radial): 2.051 | I (In-track): -0.034 | C (Cross-track): 0.437
    Collision Risk Index (CRI) 0.43
    X Position (km) 4291.501 4293.033
    Position Y (km) -5413.452 -5414.684
    Position Z (km) 2773.034 2773.762
    Velocity X (km/s) 0.728 -1.589
    Velocity Y (km/s) -2.866 2.23
    Velocity Z (km/s) -6.633 6.787

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB QIANFAN-119
    Semimajor Axis (a) 7329.702 km 7446.637 km
    Eccentricity (e) 0.015980 0.000165
    Inclination (i) 98.8959° 88.9817°
    RAAN 122.5419° 308.2214°
    Perigee Argument 355.9893° 98.8442°
    Mean Anomaly (M) 156.0697° 261.2896°
    Apogee 1068.696 km 1069.728 km
    Perigee 834.434 km 1067.272 km
    Orbit Epoch 2026-10-20T00:33:42+0000 2026-10-20T06:12:36+0000

    CZ-4 DEB & QIANFAN-119 Collision Probability (Pc) Trend

    CZ-4 DEB & QIANFAN-119 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & QIANFAN-119 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & QIANFAN-119 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-119Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-119Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data