Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.659266E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:21:26+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 67987
    NORAD ID 67987
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5503 STARLINK-36744
    Time of Closest Approach 2026-09-15T02:56:17+0000
    Collision Probability (Pc) 6.659266E-6
    Conjunction Distance (km) 1.067 km
    Relative Speed (km/s) 2.639 km/s
    Conjunction Risk Parameters R (Radial): 0.369 | I (In-track): -0.985 | C (Cross-track): 0.173
    Collision Risk Index (CRI) 0.51
    X Position (km) 3590.135 3589.617
    Position Y (km) -3619.019 -3619.918
    Position Z (km) -4594.784 -4595.032
    Velocity X (km/s) 5.95 4.707
    Velocity Y (km/s) 4.657 5.91
    Velocity Z (km/s) 0.982 -0.979

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5503 STARLINK-36744
    Semimajor Axis (a) 6861.218 km 6861.159 km
    Eccentricity (e) 0.000259 0.000161
    Inclination (i) 43.0028° 42.9980°
    RAAN 46.9579° 77.4470°
    Perigee Argument 268.8552° 267.0645°
    Mean Anomaly (M) 91.2003° 93.0021°
    Apogee 484.856 km 484.131 km
    Perigee 481.306 km 481.913 km
    Orbit Epoch 2026-09-12T03:05:46+0000 2026-09-11T22:29:14+0000

    STARLINK-5503 & STARLINK-36744 Collision Probability (Pc) Trend

    STARLINK-5503 & STARLINK-36744 Collision Probability (Pc) TrendNot Available

    STARLINK-5503 & STARLINK-36744 Miss Distance (Miss Distance) Trend

    STARLINK-5503 & STARLINK-36744 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36744Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36744Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5503

    No nearby objects data