Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.942321E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:02:02+0800
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    1 Object 1

    AOE ID 55349
    NORAD ID 55349
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66584
    NORAD ID 66584
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5666 STARLINK-35939
    Time of Closest Approach 2026-10-21T09:09:10+0000
    Collision Probability (Pc) 4.942321E-5
    Conjunction Distance (km) 0.625 km
    Relative Speed (km/s) 3.845 km/s
    Conjunction Risk Parameters R (Radial): -0.57 | I (In-track): -0.243 | C (Cross-track): 0.067
    Collision Risk Index (CRI) 0.69
    X Position (km) 3952.975 3952.811
    Position Y (km) 3361.981 3361.51
    Position Z (km) -4493.086 -4492.71
    Velocity X (km/s) -3.818 -5.734
    Velocity Y (km/s) 6.43 4.8
    Velocity Z (km/s) 1.453 -1.454

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5666 STARLINK-35939
    Semimajor Axis (a) 6861.377 km 6861.139 km
    Eccentricity (e) 0.000054 0.000134
    Inclination (i) 43.0006° 43.0035°
    RAAN 123.0116° 165.2842°
    Perigee Argument 240.5298° 286.4986°
    Mean Anomaly (M) 119.5500° 73.5719°
    Apogee 483.613 km 483.921 km
    Perigee 482.867 km 482.083 km
    Orbit Epoch 2026-10-18T20:16:19+0000 2026-10-19T01:07:29+0000

    STARLINK-5666 & STARLINK-35939 Collision Probability (Pc) Trend

    STARLINK-5666 & STARLINK-35939 Collision Probability (Pc) TrendNot Available

    STARLINK-5666 & STARLINK-35939 Miss Distance (Miss Distance) Trend

    STARLINK-5666 & STARLINK-35939 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5666Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35939Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5666Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35939Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5666

    No nearby objects data