Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.25603E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:02:29+0800
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    1 Object 1

    AOE ID 52643
    NORAD ID 52643
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69349
    NORAD ID 69349
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3963 STARLINK-37777
    Time of Closest Approach 2026-09-05T10:37:19+0000
    Collision Probability (Pc) 1.25603E-6
    Conjunction Distance (km) 2.965 km
    Relative Speed (km/s) 12.899 km/s
    Conjunction Risk Parameters R (Radial): 2.781 | I (In-track): -0.54 | C (Cross-track): 0.872
    Collision Risk Index (CRI) 0.37
    X Position (km) -153.02 -152.197
    Position Y (km) -4215.828 -4213.584
    Position Z (km) 5385.447 5383.694
    Velocity X (km/s) 7.371 -1.357
    Velocity Y (km/s) -1.664 5.941
    Velocity Z (km/s) -1.091 4.6

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3963 STARLINK-37777
    Semimajor Axis (a) 6848.868 km 6843.674 km
    Eccentricity (e) 0.000125 0.000093
    Inclination (i) 53.1599° 97.2839°
    RAAN 176.6561° 274.4276°
    Perigee Argument 85.1794° 103.4383°
    Mean Anomaly (M) 274.9350° 256.6964°
    Apogee 471.586 km 466.177 km
    Perigee 469.876 km 464.897 km
    Orbit Epoch 2026-09-02T02:19:12+0000 2026-09-02T11:55:11+0000

    STARLINK-3963 & STARLINK-37777 Collision Probability (Pc) Trend

    STARLINK-3963 & STARLINK-37777 Collision Probability (Pc) TrendNot Available

    STARLINK-3963 & STARLINK-37777 Miss Distance (Miss Distance) Trend

    STARLINK-3963 & STARLINK-37777 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3963Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37777Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3963Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37777Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3963

    No nearby objects data