Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.541314E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:52:16+0800
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    1 Object 1

    AOE ID 53819
    NORAD ID 53819
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67879
    NORAD ID 67879
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4738 STARLINK-36818
    Time of Closest Approach 2026-09-13T13:25:39+0000
    Collision Probability (Pc) 8.541314E-7
    Conjunction Distance (km) 2.906 km
    Relative Speed (km/s) 6.214 km/s
    Conjunction Risk Parameters R (Radial): -2.904 | I (In-track): 0.046 | C (Cross-track): 0.024
    Collision Risk Index (CRI) 0.34
    X Position (km) -6330.921 -6328.215
    Position Y (km) -610.373 -610.123
    Position Z (km) 2533.201 2532.173
    Velocity X (km/s) 2.629 2.695
    Velocity Y (km/s) -4.695 1.306
    Velocity Z (km/s) 5.415 7.022

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4738 STARLINK-36818
    Semimajor Axis (a) 6848.866 km 6843.649 km
    Eccentricity (e) 0.000167 0.000064
    Inclination (i) 53.1585° 97.2855°
    RAAN 179.0953° 186.1725°
    Perigee Argument 91.7339° 107.2065°
    Mean Anomaly (M) 268.3854° 252.9247°
    Apogee 471.875 km 465.948 km
    Perigee 469.583 km 465.076 km
    Orbit Epoch 2026-09-11T04:55:54+0000 2026-09-11T06:31:11+0000

    STARLINK-4738 & STARLINK-36818 Collision Probability (Pc) Trend

    STARLINK-4738 & STARLINK-36818 Collision Probability (Pc) TrendNot Available

    STARLINK-4738 & STARLINK-36818 Miss Distance (Miss Distance) Trend

    STARLINK-4738 & STARLINK-36818 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4738Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4738Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4738

    No nearby objects data