Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.192063E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:18:00+0800
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    1 Object 1

    AOE ID 57817
    NORAD ID 57817
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59040
    NORAD ID 59040
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30391 STARLINK-31225
    Time of Closest Approach 2026-09-13T04:56:43+0000
    Collision Probability (Pc) 4.192063E-6
    Conjunction Distance (km) 1.601 km
    Relative Speed (km/s) 10.02 km/s
    Conjunction Risk Parameters R (Radial): 0.859 | I (In-track): -1.023 | C (Cross-track): 0.881
    Collision Risk Index (CRI) 0.47
    X Position (km) -3339.639 -3341.224
    Position Y (km) -5757.846 -5757.887
    Position Z (km) -1667.093 -1667.31
    Velocity X (km/s) 4.362 5.579
    Velocity Y (km/s) -3.933 -1.834
    Velocity Z (km/s) 4.861 -4.861

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30391 STARLINK-31225
    Semimajor Axis (a) 6861.124 km 6861.274 km
    Eccentricity (e) 0.000118 0.000044
    Inclination (i) 42.9988° 43.0015°
    RAAN 271.7122° 61.4830°
    Perigee Argument 257.7010° 293.2544°
    Mean Anomaly (M) 102.3709° 66.8261°
    Apogee 483.796 km 483.439 km
    Perigee 482.178 km 482.835 km
    Orbit Epoch 2026-09-10T07:59:31+0000 2026-09-10T03:53:00+0000

    STARLINK-30391 & STARLINK-31225 Collision Probability (Pc) Trend

    STARLINK-30391 & STARLINK-31225 Collision Probability (Pc) TrendNot Available

    STARLINK-30391 & STARLINK-31225 Miss Distance (Miss Distance) Trend

    STARLINK-30391 & STARLINK-31225 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31225Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31225Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30391

    No nearby objects data