Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.628348E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:48:11+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 69666
    NORAD ID 69666
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-37943
    Time of Closest Approach 2026-09-07T17:35:29+0000
    Collision Probability (Pc) 1.628348E-6
    Conjunction Distance (km) 2.626 km
    Relative Speed (km/s) 15.027 km/s
    Conjunction Risk Parameters R (Radial): -1.48 | I (In-track): 0.406 | C (Cross-track): -2.13
    Collision Risk Index (CRI) 0.39
    X Position (km) 1490.339 1487.939
    Position Y (km) -4787.029 -4786.618
    Position Z (km) 4654.721 4653.736
    Velocity X (km/s) 0.068 -2.782
    Velocity Y (km/s) -5.392 4.501
    Velocity Z (km/s) -5.441 5.504

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-37943
    Semimajor Axis (a) 6894.353 km 6843.662 km
    Eccentricity (e) 0.012286 0.000096
    Inclination (i) 98.4591° 97.2848°
    RAAN 95.9403° 290.9938°
    Perigee Argument 91.9907° 132.1709°
    Mean Anomaly (M) 269.5398° 227.9615°
    Apogee 600.920 km 466.182 km
    Perigee 431.512 km 464.868 km
    Orbit Epoch 2026-09-04T16:09:45+0000 2026-09-04T14:13:55+0000

    CZ-4B R/B & STARLINK-37943 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-37943 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-37943 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-37943 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37943Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37943Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data