Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.160687E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:51:51+0800
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    1 Object 1

    AOE ID 58242
    NORAD ID 58242
    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-30877 COSMOS 2603
    Time of Closest Approach 2026-09-06T10:13:40+0000
    Collision Probability (Pc) 4.160687E-6
    Conjunction Distance (km) 1.54 km
    Relative Speed (km/s) 8.254 km/s
    Conjunction Risk Parameters R (Radial): -0.907 | I (In-track): -1.041 | C (Cross-track): 0.68
    Collision Risk Index (CRI) 0.47
    X Position (km) -3455.82 -3454.609
    Position Y (km) 4812.646 4811.851
    Position Z (km) 3453.007 3453.526
    Velocity X (km/s) -6.439 -1.395
    Velocity Y (km/s) -2.101 3.689
    Velocity Z (km/s) -3.506 -6.532

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30877 COSMOS 2603
    Semimajor Axis (a) 6861.216 km 6865.427 km
    Eccentricity (e) 0.000196 0.001548
    Inclination (i) 43.0040° 96.6240°
    RAAN 355.9744° 299.2668°
    Perigee Argument 279.6911° 207.2434°
    Mean Anomaly (M) 80.3719° 152.7996°
    Apogee 484.427 km 497.922 km
    Perigee 481.731 km 476.658 km
    Orbit Epoch 2026-09-04T09:00:13+0000 2026-09-03T13:54:35+0000

    STARLINK-30877 & COSMOS 2603 Collision Probability (Pc) Trend

    STARLINK-30877 & COSMOS 2603 Collision Probability (Pc) TrendNot Available

    STARLINK-30877 & COSMOS 2603 Miss Distance (Miss Distance) Trend

    STARLINK-30877 & COSMOS 2603 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30877Miss 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-30877Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2603Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30877

    No nearby objects data