Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.018257E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:07:02+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 67677
    NORAD ID 67677
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-30391 COSMOS 2603
    Time of Closest Approach 2026-09-11T13:13:30+0000
    Collision Probability (Pc) 1.018257E-6
    Conjunction Distance (km) 2.853 km
    Relative Speed (km/s) 8.187 km/s
    Conjunction Risk Parameters R (Radial): 1.806 | I (In-track): 1.859 | C (Cross-track): 1.193
    Collision Risk Index (CRI) 0.35
    X Position (km) -3208.117 -3207.018
    Position Y (km) 5025.421 5025.437
    Position Z (km) -3399.235 -3396.603
    Velocity X (km/s) -4.313 2.86
    Velocity Y (km/s) -5.168 -2.602
    Velocity Z (km/s) -3.573 -6.572

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30391 COSMOS 2603
    Semimajor Axis (a) 6861.124 km 6865.159 km
    Eccentricity (e) 0.000118 0.001680
    Inclination (i) 42.9988° 96.6199°
    RAAN 271.7122° 305.5490°
    Perigee Argument 257.7010° 182.2820°
    Mean Anomaly (M) 102.3709° 177.8347°
    Apogee 483.796 km 498.556 km
    Perigee 482.178 km 475.488 km
    Orbit Epoch 2026-09-10T07:59:31+0000 2026-09-10T15:51:13+0000

    STARLINK-30391 & COSMOS 2603 Collision Probability (Pc) Trend

    STARLINK-30391 & COSMOS 2603 Collision Probability (Pc) TrendNot Available

    STARLINK-30391 & COSMOS 2603 Miss Distance (Miss Distance) Trend

    STARLINK-30391 & COSMOS 2603 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2603Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30391Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2603Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30391

    No nearby objects data