Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.963677E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:05:56+0800
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    1 Object 1

    AOE ID 53847
    NORAD ID 53847
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61894
    NORAD ID 61894
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4777 OBJECT A
    Time of Closest Approach 2026-09-13T15:28:22+0000
    Collision Probability (Pc) 2.963677E-6
    Conjunction Distance (km) 1.959 km
    Relative Speed (km/s) 14.381 km/s
    Conjunction Risk Parameters R (Radial): 1.029 | I (In-track): 0.525 | C (Cross-track): 1.582
    Collision Risk Index (CRI) 0.44
    X Position (km) 4321.832 4323.106
    Position Y (km) -3746.718 -3745.876
    Position Z (km) 3882.103 3883.33
    Velocity X (km/s) 5.832 -3.963
    Velocity Y (km/s) 2.229 1.87
    Velocity Z (km/s) -4.327 6.195

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4777 OBJECT A
    Semimajor Axis (a) 6917.902 km 6905.614 km
    Eccentricity (e) 0.000161 0.001519
    Inclination (i) 53.1594° 97.4064°
    RAAN 179.3066° 322.1611°
    Perigee Argument 83.7370° 214.3614°
    Mean Anomaly (M) 276.3805° 145.6636°
    Apogee 540.877 km 537.968 km
    Perigee 538.653 km 516.986 km
    Orbit Epoch 2026-09-11T12:00:12+0000 2026-09-11T14:06:40+0000

    STARLINK-4777 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-4777 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-4777 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-4777 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4777Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4777Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4777

    No nearby objects data