Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.334854E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:31:19+0800
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    1 Object 1

    AOE ID 52548
    NORAD ID 52548
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53871
    NORAD ID 53871
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3931 STARLINK-4740
    Time of Closest Approach 2026-09-05T09:18:19+0000
    Collision Probability (Pc) 1.334854E-6
    Conjunction Distance (km) 2.668 km
    Relative Speed (km/s) 11.158 km/s
    Conjunction Risk Parameters R (Radial): 2.336 | I (In-track): -0.879 | C (Cross-track): -0.942
    Collision Risk Index (CRI) 0.38
    X Position (km) 5954.526 5952.309
    Position Y (km) 868.825 869.804
    Position Z (km) -3267.619 -3266.505
    Velocity X (km/s) 1.879 -3.383
    Velocity Y (km/s) 5.533 4.766
    Velocity Z (km/s) 4.904 -4.905

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3931 STARLINK-4740
    Semimajor Axis (a) 6843.362 km 6840.925 km
    Eccentricity (e) 0.000106 0.000142
    Inclination (i) 53.1614° 53.1620°
    RAAN 48.7269° 177.5716°
    Perigee Argument 81.4771° 84.2338°
    Mean Anomaly (M) 278.6351° 275.8826°
    Apogee 465.950 km 463.759 km
    Perigee 464.500 km 461.817 km
    Orbit Epoch 2026-09-01T21:00:09+0000 2026-09-02T13:08:41+0000

    STARLINK-3931 & STARLINK-4740 Collision Probability (Pc) Trend

    STARLINK-3931 & STARLINK-4740 Collision Probability (Pc) TrendNot Available

    STARLINK-3931 & STARLINK-4740 Miss Distance (Miss Distance) Trend

    STARLINK-3931 & STARLINK-4740 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3931Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4740Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3931Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4740Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3931

    No nearby objects data