Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.074474E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:21:05+0800
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    1 Object 1

    AOE ID 38039
    NORAD ID 38039
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57814
    NORAD ID 57814
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-30413
    Time of Closest Approach 2026-09-05T12:50:40+0000
    Collision Probability (Pc) 2.074474E-6
    Conjunction Distance (km) 2.269 km
    Relative Speed (km/s) 14.215 km/s
    Conjunction Risk Parameters R (Radial): -1.538 | I (In-track): 0.603 | C (Cross-track): -1.553
    Collision Risk Index (CRI) 0.41
    X Position (km) -386.362 -387.693
    Position Y (km) 6355.248 6353.422
    Position Z (km) 2553.529 2553.737
    Velocity X (km/s) 1.384 -6.105
    Velocity Y (km/s) -2.819 1.385
    Velocity Z (km/s) 6.969 -4.357

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-30413
    Semimajor Axis (a) 6894.371 km 6861.204 km
    Eccentricity (e) 0.012284 0.000118
    Inclination (i) 98.4591° 43.0027°
    RAAN 94.6899° 312.0711°
    Perigee Argument 95.7446° 277.3369°
    Mean Anomaly (M) 265.7804° 82.7348°
    Apogee 600.925 km 483.878 km
    Perigee 431.543 km 482.256 km
    Orbit Epoch 2026-09-03T13:14:35+0000 2026-09-03T05:16:49+0000

    CZ-4B R/B & STARLINK-30413 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-30413 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-30413 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-30413 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30413Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30413Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data