Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.807405E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T02:54:29+0800
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    1 Object 1

    AOE ID 51986
    NORAD ID 51986
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63378
    NORAD ID 63378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3645 STARLINK-33640
    Time of Closest Approach 2026-09-14T07:17:48+0000
    Collision Probability (Pc) 3.807405E-7
    Conjunction Distance (km) 2.85 km
    Relative Speed (km/s) 1.042 km/s
    Conjunction Risk Parameters R (Radial): -2.779 | I (In-track): 0.627 | C (Cross-track): -0.04
    Collision Risk Index (CRI) 0.27
    X Position (km) -4046.141 -4047.669
    Position Y (km) 748.877 749.798
    Position Z (km) -5468.252 -5470.474
    Velocity X (km/s) -0.973 -1.791
    Velocity Y (km/s) -7.557 -7.404
    Velocity Z (km/s) -0.315 0.31

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3645 STARLINK-33640
    Semimajor Axis (a) 6837.892 km 6840.838 km
    Eccentricity (e) 0.000121 0.000120
    Inclination (i) 53.1598° 53.1568°
    RAAN 276.2510° 264.0207°
    Perigee Argument 87.5128° 98.4564°
    Mean Anomaly (M) 272.6013° 261.6574°
    Apogee 460.579 km 463.520 km
    Perigee 458.931 km 461.882 km
    Orbit Epoch 2026-09-11T18:46:24+0000 2026-09-12T07:12:55+0000

    STARLINK-3645 & STARLINK-33640 Collision Probability (Pc) Trend

    STARLINK-3645 & STARLINK-33640 Collision Probability (Pc) TrendNot Available

    STARLINK-3645 & STARLINK-33640 Miss Distance (Miss Distance) Trend

    STARLINK-3645 & STARLINK-33640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3645Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3645Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3645

    No nearby objects data