Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.398762E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:21:30+0800
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    1 Object 1

    AOE ID 57257
    NORAD ID 57257
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67409
    NORAD ID 67409
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5503 STARLINK-36507
    Time of Closest Approach 2026-09-14T21:07:00+0000
    Collision Probability (Pc) 1.398762E-4
    Conjunction Distance (km) 0.53 km
    Relative Speed (km/s) 9.83 km/s
    Conjunction Risk Parameters R (Radial): 0.101 | I (In-track): -0.401 | C (Cross-track): 0.331
    Collision Risk Index (CRI) 0.78
    X Position (km) 4163.622 4164.085
    Position Y (km) 5067.3 5067.045
    Position Z (km) 2007.542 2007.565
    Velocity X (km/s) -5.422 -3.589
    Velocity Y (km/s) 2.588 4.819
    Velocity Z (km/s) 4.699 -4.698

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5503 STARLINK-36507
    Semimajor Axis (a) 6861.218 km 6861.156 km
    Eccentricity (e) 0.000259 0.000146
    Inclination (i) 43.0028° 42.9973°
    RAAN 46.9579° 265.4413°
    Perigee Argument 268.8552° 271.6966°
    Mean Anomaly (M) 91.2003° 88.3719°
    Apogee 484.856 km 484.018 km
    Perigee 481.306 km 482.020 km
    Orbit Epoch 2026-09-12T03:05:46+0000 2026-09-12T02:32:11+0000

    STARLINK-5503 & STARLINK-36507 Collision Probability (Pc) Trend

    STARLINK-5503 & STARLINK-36507 Collision Probability (Pc) TrendNot Available

    STARLINK-5503 & STARLINK-36507 Miss Distance (Miss Distance) Trend

    STARLINK-5503 & STARLINK-36507 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36507Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36507Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5503

    No nearby objects data