Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.172414E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:33:21+0800
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    1 Object 1

    AOE ID 51120
    NORAD ID 51120
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52465
    NORAD ID 52465
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3398 STARLINK-3863
    Time of Closest Approach 2026-09-04T02:58:43+0000
    Collision Probability (Pc) 1.172414E-6
    Conjunction Distance (km) 2.853 km
    Relative Speed (km/s) 10.506 km/s
    Conjunction Risk Parameters R (Radial): -2.835 | I (In-track): -0.232 | C (Cross-track): 0.212
    Collision Risk Index (CRI) 0.36
    X Position (km) -5597.65 -5595.282
    Position Y (km) 832.92 832.885
    Position Z (km) -3851.231 -3849.641
    Velocity X (km/s) -3.734 2.106
    Velocity Y (km/s) -5.038 -5.908
    Velocity Z (km/s) 4.344 -4.345

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3398 STARLINK-3863
    Semimajor Axis (a) 6840.935 km 6837.818 km
    Eccentricity (e) 0.000116 0.000119
    Inclination (i) 53.1616° 53.1632°
    RAAN 211.3103° 332.3294°
    Perigee Argument 71.8428° 63.5015°
    Mean Anomaly (M) 288.2701° 296.6110°
    Apogee 463.593 km 460.497 km
    Perigee 462.003 km 458.865 km
    Orbit Epoch 2026-09-02T04:16:29+0000 2026-09-01T16:12:12+0000

    STARLINK-3398 & STARLINK-3863 Collision Probability (Pc) Trend

    STARLINK-3398 & STARLINK-3863 Collision Probability (Pc) TrendNot Available

    STARLINK-3398 & STARLINK-3863 Miss Distance (Miss Distance) Trend

    STARLINK-3398 & STARLINK-3863 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3863Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3398Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3863Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3398

    No nearby objects data