Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.286214E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:38:29+0800
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    1 Object 1

    AOE ID 57252
    NORAD ID 57252
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58807
    NORAD ID 58807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5511 STARLINK-31163
    Time of Closest Approach 2026-09-13T15:13:30+0000
    Collision Probability (Pc) 3.286214E-6
    Conjunction Distance (km) 1.732 km
    Relative Speed (km/s) 9.936 km/s
    Conjunction Risk Parameters R (Radial): 0.701 | I (In-track): -1.205 | C (Cross-track): 1.027
    Collision Risk Index (CRI) 0.45
    X Position (km) -6179.905 -6178.711
    Position Y (km) -2342.27 -2343.511
    Position Z (km) 1835.889 1835.707
    Velocity X (km/s) 0.804 3.301
    Velocity Y (km/s) -5.885 -4.938
    Velocity Z (km/s) -4.785 4.785

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5511 STARLINK-31163
    Semimajor Axis (a) 6861.191 km 6860.586 km
    Eccentricity (e) 0.000204 0.000059
    Inclination (i) 43.0018° 43.0018°
    RAAN 50.4518° 191.5810°
    Perigee Argument 250.2854° 213.4154°
    Mean Anomaly (M) 109.7777° 146.6660°
    Apogee 484.455 km 482.857 km
    Perigee 481.653 km 482.041 km
    Orbit Epoch 2026-09-11T10:45:21+0000 2026-09-12T04:36:19+0000

    STARLINK-5511 & STARLINK-31163 Collision Probability (Pc) Trend

    STARLINK-5511 & STARLINK-31163 Collision Probability (Pc) TrendNot Available

    STARLINK-5511 & STARLINK-31163 Miss Distance (Miss Distance) Trend

    STARLINK-5511 & STARLINK-31163 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5511Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31163Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5511Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31163Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5511

    No nearby objects data