Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.979951E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:22:45+0800
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    1 Object 1

    AOE ID 47778
    NORAD ID 47778
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62557
    NORAD ID 62557
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2211 STARLINK-11478
    Time of Closest Approach 2026-09-12T00:14:39+0000
    Collision Probability (Pc) 9.979951E-7
    Conjunction Distance (km) 2.625 km
    Relative Speed (km/s) 6.425 km/s
    Conjunction Risk Parameters R (Radial): -1.483 | I (In-track): -1.965 | C (Cross-track): -0.905
    Collision Risk Index (CRI) 0.35
    X Position (km) -4938.108 -4936.298
    Position Y (km) 1019.056 1020.844
    Position Z (km) 4455.013 4454.371
    Velocity X (km/s) -4.243 -0.44
    Velocity Y (km/s) -5.415 -7.586
    Velocity Z (km/s) -3.454 1.247

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2211 STARLINK-11478
    Semimajor Axis (a) 6732.110 km 6734.525 km
    Eccentricity (e) 0.000367 0.000109
    Inclination (i) 53.1553° 42.9992°
    RAAN 36.5477° 109.5515°
    Perigee Argument 319.9612° 227.8955°
    Mean Anomaly (M) 40.1136° 132.1821°
    Apogee 356.446 km 357.121 km
    Perigee 351.500 km 355.655 km
    Orbit Epoch 2026-09-10T15:40:22+0000 2026-09-09T21:34:29+0000

    STARLINK-2211 & STARLINK-11478 Collision Probability (Pc) Trend

    STARLINK-2211 & STARLINK-11478 Collision Probability (Pc) TrendNot Available

    STARLINK-2211 & STARLINK-11478 Miss Distance (Miss Distance) Trend

    STARLINK-2211 & STARLINK-11478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2211Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2211Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2211

    No nearby objects data