Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.81805E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:32:33+0800
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    1 Object 1

    AOE ID 54784
    NORAD ID 54784
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66940
    NORAD ID 66940
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5442 STARLINK-36121
    Time of Closest Approach 2026-09-10T18:54:54+0000
    Collision Probability (Pc) 8.81805E-5
    Conjunction Distance (km) 0.58 km
    Relative Speed (km/s) 6.854 km/s
    Conjunction Risk Parameters R (Radial): 0.2 | I (In-track): -0.483 | C (Cross-track): 0.249
    Collision Risk Index (CRI) 0.74
    X Position (km) 4286.808 4286.736
    Position Y (km) -1629.794 -1630.349
    Position Z (km) 5066.364 5066.516
    Velocity X (km/s) 0.049 4.804
    Velocity Y (km/s) 7.285 5.477
    Velocity Z (km/s) 2.296 -2.296

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5442 STARLINK-36121
    Semimajor Axis (a) 6840.839 km 6840.751 km
    Eccentricity (e) 0.000110 0.000034
    Inclination (i) 53.1588° 53.1573°
    RAAN 285.7808° 221.8973°
    Perigee Argument 90.3187° 41.7440°
    Mean Anomaly (M) 243.5493° 318.3588°
    Apogee 463.456 km 462.844 km
    Perigee 461.948 km 462.384 km
    Orbit Epoch 2026-09-10T06:00:02+0000 2026-09-09T08:02:21+0000

    STARLINK-5442 & STARLINK-36121 Collision Probability (Pc) Trend

    STARLINK-5442 & STARLINK-36121 Collision Probability (Pc) TrendNot Available

    STARLINK-5442 & STARLINK-36121 Miss Distance (Miss Distance) Trend

    STARLINK-5442 & STARLINK-36121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5442Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5442Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5442

    No nearby objects data