Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.400058E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:45:47+0800
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    1 Object 1

    AOE ID 51751
    NORAD ID 51751
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53591
    NORAD ID 53591
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3506 STARLINK-4674
    Time of Closest Approach 2026-09-12T12:13:00+0000
    Collision Probability (Pc) 8.400058E-7
    Conjunction Distance (km) 2.993 km
    Relative Speed (km/s) 6.411 km/s
    Conjunction Risk Parameters R (Radial): 2.848 | I (In-track): -0.834 | C (Cross-track): 0.388
    Collision Risk Index (CRI) 0.33
    X Position (km) 2593.175 2591.342
    Position Y (km) 3709.455 3708.438
    Position Z (km) -5136.874 -5134.738
    Velocity X (km/s) -7.048 -4.295
    Velocity Y (km/s) 1.993 5.935
    Velocity Z (km/s) -2.12 2.12

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3506 STARLINK-4674
    Semimajor Axis (a) 6840.873 km 6837.868 km
    Eccentricity (e) 0.000125 0.000131
    Inclination (i) 53.1586° 53.1572°
    RAAN 182.7271° 118.4986°
    Perigee Argument 93.7475° 95.7972°
    Mean Anomaly (M) 266.3671° 264.3181°
    Apogee 463.595 km 460.627 km
    Perigee 461.877 km 458.835 km
    Orbit Epoch 2026-09-11T05:25:52+0000 2026-09-11T09:57:41+0000

    STARLINK-3506 & STARLINK-4674 Collision Probability (Pc) Trend

    STARLINK-3506 & STARLINK-4674 Collision Probability (Pc) TrendNot Available

    STARLINK-3506 & STARLINK-4674 Miss Distance (Miss Distance) Trend

    STARLINK-3506 & STARLINK-4674 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3506Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4674Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3506Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4674Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3506

    No nearby objects data