Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.781666E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:32:19+0800
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    1 Object 1

    AOE ID 26454
    NORAD ID 26454
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69608
    NORAD ID 69608
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB KUIPER-00538
    Time of Closest Approach 2026-09-07T17:22:19+0000
    Collision Probability (Pc) 3.781666E-4
    Conjunction Distance (km) 0.309 km
    Relative Speed (km/s) 8.353 km/s
    Conjunction Risk Parameters R (Radial): 0.305 | I (In-track): -0.043 | C (Cross-track): -0.029
    Collision Risk Index (CRI) 0.87
    X Position (km) -4444 -4444.155
    Position Y (km) 2727.3 2727.419
    Position Z (km) 4671.912 4672.151
    Velocity X (km/s) -3.432 -5.678
    Velocity Y (km/s) 3.827 -3.853
    Velocity Z (km/s) -5.537 -3.143

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB KUIPER-00538
    Semimajor Axis (a) 7021.192 km 7007.478 km
    Eccentricity (e) 0.005144 0.000087
    Inclination (i) 98.3150° 51.9027°
    RAAN 318.0591° 26.0741°
    Perigee Argument 209.0208° 76.6109°
    Mean Anomaly (M) 207.3237° 283.4950°
    Apogee 679.175 km 629.951 km
    Perigee 606.935 km 628.731 km
    Orbit Epoch 2026-09-04T22:16:52+0000 2026-09-04T19:08:10+0000

    CZ-4 DEB & KUIPER-00538 Collision Probability (Pc) Trend

    CZ-4 DEB & KUIPER-00538 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & KUIPER-00538 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & KUIPER-00538 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00538Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00538Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data