Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.464125E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T04:15:52+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 68909
    NORAD ID 68909
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3931 STARLINK-37544
    Time of Closest Approach 2026-09-13T21:58:12+0000
    Collision Probability (Pc) 1.464125E-6
    Conjunction Distance (km) 2.569 km
    Relative Speed (km/s) 11.781 km/s
    Conjunction Risk Parameters R (Radial): -2.332 | I (In-track): -0.691 | C (Cross-track): -0.824
    Collision Risk Index (CRI) 0.38
    X Position (km) -623.201 -622.658
    Position Y (km) -4061.416 -4062.227
    Position Z (km) -5479.503 -5481.879
    Velocity X (km/s) 7.549 -0.69
    Velocity Y (km/s) -1.052 6.133
    Velocity Z (km/s) -0.079 -4.469

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3931 STARLINK-37544
    Semimajor Axis (a) 6843.367 km 6843.735 km
    Eccentricity (e) 0.000119 0.000117
    Inclination (i) 53.1604° 97.2846°
    RAAN 3.3905° 89.3318°
    Perigee Argument 79.7152° 92.1839°
    Mean Anomaly (M) 280.3984° 267.9538°
    Apogee 466.043 km 466.401 km
    Perigee 464.417 km 464.795 km
    Orbit Epoch 2026-09-11T14:03:24+0000 2026-09-12T02:40:09+0000

    STARLINK-3931 & STARLINK-37544 Collision Probability (Pc) Trend

    STARLINK-3931 & STARLINK-37544 Collision Probability (Pc) TrendNot Available

    STARLINK-3931 & STARLINK-37544 Miss Distance (Miss Distance) Trend

    STARLINK-3931 & STARLINK-37544 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3931Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37544Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3931Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37544Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3931

    No nearby objects data