Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.27673E-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 2026-10-21T14:38:42+0000
    Collision Probability (Pc) 1.27673E-5
    Conjunction Distance (km) 0.948 km
    Relative Speed (km/s) 3.85 km/s
    Conjunction Risk Parameters R (Radial): -0.011 | I (In-track): 0.918 | C (Cross-track): 0.236
    Collision Risk Index (CRI) 0.57
    X Position (km) -4022.756 -4022.154
    Position Y (km) -3267.024 -3267.755
    Position Z (km) 4487.208 4487.198
    Velocity X (km/s) 3.674 5.633
    Velocity Y (km/s) -6.525 -4.933
    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