Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.776989E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T09:05:36+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 58999
    NORAD ID 58999
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3645 STARLINK-31440
    Time of Closest Approach 2026-09-10T04:54:33+0000
    Collision Probability (Pc) 4.776989E-7
    Conjunction Distance (km) 2.769 km
    Relative Speed (km/s) 1.719 km/s
    Conjunction Risk Parameters R (Radial): -2.746 | I (In-track): 0.343 | C (Cross-track): 0.036
    Collision Risk Index (CRI) 0.29
    X Position (km) -3837.151 -3838.821
    Position Y (km) -1531.488 -1531.783
    Position Z (km) -5455.698 -5457.886
    Velocity X (km/s) 2.17 3.442
    Velocity Y (km/s) -7.292 -6.783
    Velocity Z (km/s) 0.521 -0.518

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3645 STARLINK-31440
    Semimajor Axis (a) 6837.850 km 6840.816 km
    Eccentricity (e) 0.000127 0.000105
    Inclination (i) 53.1612° 53.1576°
    RAAN 292.0984° 302.7896°
    Perigee Argument 83.5179° 91.5021°
    Mean Anomaly (M) 276.5969° 268.6101°
    Apogee 460.583 km 463.395 km
    Perigee 458.843 km 461.963 km
    Orbit Epoch 2026-09-08T09:32:13+0000 2026-09-09T13:41:22+0000

    STARLINK-3645 & STARLINK-31440 Collision Probability (Pc) Trend

    STARLINK-3645 & STARLINK-31440 Collision Probability (Pc) TrendNot Available

    STARLINK-3645 & STARLINK-31440 Miss Distance (Miss Distance) Trend

    STARLINK-3645 & STARLINK-31440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3645Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3645Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3645

    No nearby objects data