Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.245176E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T05:28:31+0800
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    1 Object 1

    AOE ID 39211
    NORAD ID 39211
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69658
    NORAD ID 69658
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-37851
    Time of Closest Approach 2026-10-16T22:33:51+0000
    Collision Probability (Pc) 3.245176E-5
    Conjunction Distance (km) 0.913 km
    Relative Speed (km/s) 12.282 km/s
    Conjunction Risk Parameters R (Radial): -0.596 | I (In-track): -0.403 | C (Cross-track): -0.56
    Collision Risk Index (CRI) 0.65
    X Position (km) -1520.639 -1520.397
    Position Y (km) -175.872 -176.538
    Position Z (km) 6663.18 6662.605
    Velocity X (km/s) 5.26 -6.588
    Velocity Y (km/s) 5.359 3.59
    Velocity Z (km/s) 1.299 -1.405

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-37851
    Semimajor Axis (a) 6822.077 km 6843.630 km
    Eccentricity (e) 0.006007 0.000027
    Inclination (i) 97.9645° 97.2857°
    RAAN 223.4225° 332.2483°
    Perigee Argument 204.8819° 95.2718°
    Mean Anomaly (M) 154.9527° 264.8556°
    Apogee 484.922 km 465.680 km
    Perigee 402.958 km 465.306 km
    Orbit Epoch 2026-10-16T06:37:44+0000 2026-10-16T09:35:53+0000

    CZ-4C R/B & STARLINK-37851 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-37851 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-37851 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-37851 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37851Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37851Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data