Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.597581E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:41:20+0800
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    1 Object 1

    AOE ID 51996
    NORAD ID 51996
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53251
    NORAD ID 53251
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3538 STARLINK-4129
    Time of Closest Approach 2026-09-04T08:08:23+0000
    Collision Probability (Pc) 1.597581E-6
    Conjunction Distance (km) 2.473 km
    Relative Speed (km/s) 12.216 km/s
    Conjunction Risk Parameters R (Radial): -2.278 | I (In-track): -0.57 | C (Cross-track): -0.771
    Collision Risk Index (CRI) 0.39
    X Position (km) -1551.015 -1549.565
    Position Y (km) 6656.732 6654.734
    Position Z (km) 348.436 348.313
    Velocity X (km/s) -4.534 -4.391
    Velocity Y (km/s) -0.729 -1.349
    Velocity Z (km/s) -6.099 6.1

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3538 STARLINK-4129
    Semimajor Axis (a) 6843.371 km 6841.360 km
    Eccentricity (e) 0.000117 0.000084
    Inclination (i) 53.1596° 53.1600°
    RAAN 294.8902° 112.7984°
    Perigee Argument 77.3249° 119.6071°
    Mean Anomaly (M) 282.7884° 240.5016°
    Apogee 466.037 km 463.802 km
    Perigee 464.431 km 462.644 km
    Orbit Epoch 2026-09-02T06:53:13+0000 2026-09-01T19:09:14+0000

    STARLINK-3538 & STARLINK-4129 Collision Probability (Pc) Trend

    STARLINK-3538 & STARLINK-4129 Collision Probability (Pc) TrendNot Available

    STARLINK-3538 & STARLINK-4129 Miss Distance (Miss Distance) Trend

    STARLINK-3538 & STARLINK-4129 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4129Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4129Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3538

    No nearby objects data