Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.166537E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T13:07:09+0800
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    1 Object 1

    AOE ID 51117
    NORAD ID 51117
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58550
    NORAD ID 58550
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3391 STARLINK-31056
    Time of Closest Approach 2026-09-14T19:34:04+0000
    Collision Probability (Pc) 1.166537E-6
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 9.963 km/s
    Conjunction Risk Parameters R (Radial): -2.736 | I (In-track): -0.441 | C (Cross-track): -0.387
    Collision Risk Index (CRI) 0.36
    X Position (km) -2508.553 -2510.078
    Position Y (km) 4801.514 4803.165
    Position Z (km) -4180.663 -4182.331
    Velocity X (km/s) -6.53 -3.712
    Velocity Y (km/s) 0.02 -5.37
    Velocity Z (km/s) 3.945 -3.944

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3391 STARLINK-31056
    Semimajor Axis (a) 6837.852 km 6840.881 km
    Eccentricity (e) 0.000137 0.000119
    Inclination (i) 53.1626° 53.1590°
    RAAN 167.2158° 276.4447°
    Perigee Argument 90.2582° 90.6916°
    Mean Anomaly (M) 269.8578° 269.4222°
    Apogee 460.652 km 463.557 km
    Perigee 458.778 km 461.931 km
    Orbit Epoch 2026-09-11T18:21:35+0000 2026-09-11T18:39:40+0000

    STARLINK-3391 & STARLINK-31056 Collision Probability (Pc) Trend

    STARLINK-3391 & STARLINK-31056 Collision Probability (Pc) TrendNot Available

    STARLINK-3391 & STARLINK-31056 Miss Distance (Miss Distance) Trend

    STARLINK-3391 & STARLINK-31056 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31056Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31056Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3391

    No nearby objects data