Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.748768E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T09:17:08+0800
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    1 Object 1

    AOE ID 35381
    NORAD ID 35381
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 60488
    NORAD ID 60488
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB FLOCK 4BE 31
    Time of Closest Approach 2026-09-11T17:06:20+0000
    Collision Probability (Pc) 2.748768E-6
    Conjunction Distance (km) 2.027 km
    Relative Speed (km/s) 14.667 km/s
    Conjunction Risk Parameters R (Radial): -1.374 | I (In-track): 0.441 | C (Cross-track): 1.423
    Collision Risk Index (CRI) 0.44
    X Position (km) 2785.538 2786.928
    Position Y (km) -1747.83 -1746.944
    Position Z (km) 5945.756 5946.936
    Velocity X (km/s) 4.138 -6.555
    Velocity Y (km/s) -5.389 1.711
    Velocity Z (km/s) -3.528 3.568

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB FLOCK 4BE 31
    Semimajor Axis (a) 6798.094 km 6802.351 km
    Eccentricity (e) 0.001584 0.000149
    Inclination (i) 98.5980° 97.3766°
    RAAN 128.9160° 339.2790°
    Perigee Argument 239.5718° 345.9671°
    Mean Anomaly (M) 120.3965° 14.1538°
    Apogee 430.724 km 425.230 km
    Perigee 409.190 km 423.198 km
    Orbit Epoch 2026-09-09T02:35:28+0000 2026-09-09T13:37:36+0000

    CZ-4 DEB & FLOCK 4BE 31 Collision Probability (Pc) Trend

    CZ-4 DEB & FLOCK 4BE 31 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & FLOCK 4BE 31 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & FLOCK 4BE 31 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4BE 31Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4BE 31Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data