Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.474923E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:53:47+0800
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    1 Object 1

    Name ZY 1
    AOE ID 38038
    NORAD ID 38038
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57397
    NORAD ID 57397
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ZY 1 CZ-4B DEB
    Time of Closest Approach 2026-09-14T08:12:31+0000
    Collision Probability (Pc) 1.474923E-6
    Conjunction Distance (km) 2.676 km
    Relative Speed (km/s) 13.355 km/s
    Conjunction Risk Parameters R (Radial): 2.097 | I (In-track): -0.726 | C (Cross-track): 1.496
    Collision Risk Index (CRI) 0.38
    X Position (km) -2390.757 -2391.827
    Position Y (km) 574.794 573.342
    Position Z (km) 6695.764 6697.74
    Velocity X (km/s) -5.441 6.784
    Velocity Y (km/s) 4.568 2.003
    Velocity Z (km/s) -2.325 2.401

    Orbital Parameters 国际轨道数据源

    Parameter ZY 1 CZ-4B DEB
    Semimajor Axis (a) 7142.352 km 7136.363 km
    Eccentricity (e) 0.000750 0.019396
    Inclination (i) 98.4005° 99.3701°
    RAAN 320.1086° 189.1211°
    Perigee Argument 55.2354° 349.6703°
    Mean Anomaly (M) 100.6325° 10.0522°
    Apogee 769.571 km 896.645 km
    Perigee 758.859 km 619.807 km
    Orbit Epoch 2026-09-11T15:18:49+0000 2026-09-10T13:50:19+0000

    ZY 1 & CZ-4B DEB Collision Probability (Pc) Trend

    ZY 1 & CZ-4B DEB Collision Probability (Pc) TrendNot Available

    ZY 1 & CZ-4B DEB Miss Distance (Miss Distance) Trend

    ZY 1 & CZ-4B DEB Miss Distance (Miss Distance) TrendNot Available

    ZY 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ZY 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ZY 1

    No nearby objects data