Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.294886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:17:39+0800
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    1 Object 1

    AOE ID 53134
    NORAD ID 53134
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54172
    NORAD ID 54172
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4150 STARLINK-5117
    Time of Closest Approach 2026-09-13T22:38:27+0000
    Collision Probability (Pc) 1.294886E-6
    Conjunction Distance (km) 2.823 km
    Relative Speed (km/s) 12.19 km/s
    Conjunction Risk Parameters R (Radial): -2.56 | I (In-track): -0.723 | C (Cross-track): 0.943
    Collision Risk Index (CRI) 0.37
    X Position (km) -5182.265 -5183.433
    Position Y (km) -4418.471 -4421.029
    Position Z (km) -664.028 -664.266
    Velocity X (km/s) 3.427 2.538
    Velocity Y (km/s) -3.119 -3.877
    Velocity Z (km/s) -6.068 6.066

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4150 STARLINK-5117
    Semimajor Axis (a) 6840.889 km 6843.356 km
    Eccentricity (e) 0.000139 0.000059
    Inclination (i) 53.1624° 53.1578°
    RAAN 44.6407° 235.3008°
    Perigee Argument 89.4898° 86.7744°
    Mean Anomaly (M) 270.6263° 273.3326°
    Apogee 463.701 km 465.623 km
    Perigee 461.803 km 464.815 km
    Orbit Epoch 2026-09-12T03:37:20+0000 2026-09-11T15:55:38+0000

    STARLINK-4150 & STARLINK-5117 Collision Probability (Pc) Trend

    STARLINK-4150 & STARLINK-5117 Collision Probability (Pc) TrendNot Available

    STARLINK-4150 & STARLINK-5117 Miss Distance (Miss Distance) Trend

    STARLINK-4150 & STARLINK-5117 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4150Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5117Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4150Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5117Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4150

    No nearby objects data