Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    6.258007E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:30:36+0800
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    1 Object 1

    AOE ID 52608
    NORAD ID 52608
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53842
    NORAD ID 53842
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3979 STARLINK-4754
    Time of Closest Approach 2026-10-23T04:36:20+0000
    Collision Probability (Pc) 6.258007E-4
    Conjunction Distance (km) 0.149 km
    Relative Speed (km/s) 2.49 km/s
    Conjunction Risk Parameters R (Radial): -0.143 | I (In-track): -0.037 | C (Cross-track): 0.006
    Collision Risk Index (CRI) 0.91
    X Position (km) -1759.648 -1759.646
    Position Y (km) -3772.238 -3772.142
    Position Z (km) -5435.586 -5435.472
    Velocity X (km/s) 6.4 7.234
    Velocity Y (km/s) -4.074 -2.284
    Velocity Z (km/s) 0.756 -0.758

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3979 STARLINK-4754
    Semimajor Axis (a) 6840.892 km 6839.638 km
    Eccentricity (e) 0.000085 0.000139
    Inclination (i) 53.1599° 53.1618°
    RAAN 336.2622° 355.5194°
    Perigee Argument 80.8735° 82.4468°
    Mean Anomaly (M) 279.2364° 277.6693°
    Apogee 463.339 km 462.454 km
    Perigee 462.171 km 460.548 km
    Orbit Epoch 2026-10-20T09:44:43+0000 2026-10-21T07:42:07+0000

    STARLINK-3979 & STARLINK-4754 Collision Probability (Pc) Trend

    STARLINK-3979 & STARLINK-4754 Collision Probability (Pc) TrendNot Available

    STARLINK-3979 & STARLINK-4754 Miss Distance (Miss Distance) Trend

    STARLINK-3979 & STARLINK-4754 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3979Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4754Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3979Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4754Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3979

    No nearby objects data