Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.244473E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:20:34+0800
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    1 Object 1

    AOE ID 29538
    NORAD ID 29538
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68051
    NORAD ID 68051
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-35911
    Time of Closest Approach 2026-09-04T13:54:41+0000
    Collision Probability (Pc) 1.244473E-6
    Conjunction Distance (km) 2.875 km
    Relative Speed (km/s) 11.866 km/s
    Conjunction Risk Parameters R (Radial): 2.826 | I (In-track): 0.319 | C (Cross-track): 0.424
    Collision Risk Index (CRI) 0.37
    X Position (km) 3740.62 3739.516
    Position Y (km) 1682.968 1682.134
    Position Z (km) 5468.287 5465.768
    Velocity X (km/s) -4.697 -3.285
    Velocity Y (km/s) -4.073 6.895
    Velocity Z (km/s) 4.427 0.125

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-35911
    Semimajor Axis (a) 6835.206 km 6840.849 km
    Eccentricity (e) 0.003289 0.000108
    Inclination (i) 98.0747° 53.1581°
    RAAN 31.0510° 305.6926°
    Perigee Argument 174.5071° 104.1938°
    Mean Anomaly (M) 185.6538° 255.9184°
    Apogee 479.552 km 463.449 km
    Perigee 434.586 km 461.975 km
    Orbit Epoch 2026-08-31T20:35:11+0000 2026-09-02T13:03:58+0000

    CZ-4B DEB & STARLINK-35911 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-35911 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-35911 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-35911 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35911Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35911Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data