Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.240075E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:25:08+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 62663
    NORAD ID 62663
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4738 FLOCK 4G 5
    Time of Closest Approach 2026-09-11T13:22:47+0000
    Collision Probability (Pc) 9.240075E-6
    Conjunction Distance (km) 1.359 km
    Relative Speed (km/s) 14.565 km/s
    Conjunction Risk Parameters R (Radial): -0.332 | I (In-track): -0.406 | C (Cross-track): 1.253
    Collision Risk Index (CRI) 0.54
    X Position (km) 5296.853 5297.398
    Position Y (km) -2750.238 -2749.193
    Position Z (km) 3350.806 3351.481
    Velocity X (km/s) 4.834 -3.808
    Velocity Y (km/s) 3.405 0.707
    Velocity Z (km/s) -4.83 6.579

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4738 FLOCK 4G 5
    Semimajor Axis (a) 6848.873 km 6848.654 km
    Eccentricity (e) 0.000164 0.000347
    Inclination (i) 53.1590° 97.3989°
    RAAN 184.8669° 335.9687°
    Perigee Argument 89.3910° 28.0124°
    Mean Anomaly (M) 270.7280° 332.1303°
    Apogee 471.860 km 472.895 km
    Perigee 469.612 km 468.139 km
    Orbit Epoch 2026-09-09T23:10:39+0000 2026-09-10T18:26:14+0000

    STARLINK-4738 & FLOCK 4G 5 Collision Probability (Pc) Trend

    STARLINK-4738 & FLOCK 4G 5 Collision Probability (Pc) TrendNot Available

    STARLINK-4738 & FLOCK 4G 5 Miss Distance (Miss Distance) Trend

    STARLINK-4738 & FLOCK 4G 5 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4738Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4738Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4738

    No nearby objects data