Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.809789E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:15:33+0800
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    1 Object 1

    AOE ID 52628
    NORAD ID 52628
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53707
    NORAD ID 53707
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4001 STARLINK-4667
    Time of Closest Approach 2026-09-13T21:53:19+0000
    Collision Probability (Pc) 7.809789E-7
    Conjunction Distance (km) 3 km
    Relative Speed (km/s) 5.631 km/s
    Conjunction Risk Parameters R (Radial): -2.8 | I (In-track): -0.998 | C (Cross-track): 0.395
    Collision Risk Index (CRI) 0.33
    X Position (km) 3839.489 3840.53
    Position Y (km) 2183.917 2185.745
    Position Z (km) -5227.188 -5229.327
    Velocity X (km/s) -5.373 -1.636
    Velocity Y (km/s) 5.097 7.222
    Velocity Z (km/s) -1.818 1.818

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4001 STARLINK-4667
    Semimajor Axis (a) 6837.886 km 6840.876 km
    Eccentricity (e) 0.000160 0.000121
    Inclination (i) 53.1574° 53.1603°
    RAAN 160.1153° 102.1571°
    Perigee Argument 91.6213° 83.3179°
    Mean Anomaly (M) 268.4973° 276.7961°
    Apogee 460.844 km 463.565 km
    Perigee 458.654 km 461.913 km
    Orbit Epoch 2026-09-11T03:10:44+0000 2026-09-11T18:37:01+0000

    STARLINK-4001 & STARLINK-4667 Collision Probability (Pc) Trend

    STARLINK-4001 & STARLINK-4667 Collision Probability (Pc) TrendNot Available

    STARLINK-4001 & STARLINK-4667 Miss Distance (Miss Distance) Trend

    STARLINK-4001 & STARLINK-4667 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4001Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4667Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4001Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4667Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4001

    No nearby objects data