Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.109902E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:41:52+0800
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    1 Object 1

    AOE ID 52453
    NORAD ID 52453
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63831
    NORAD ID 63831
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3872 STARLINK-33940
    Time of Closest Approach 2026-09-04T19:15:49+0000
    Collision Probability (Pc) 1.109902E-6
    Conjunction Distance (km) 2.764 km
    Relative Speed (km/s) 8.853 km/s
    Conjunction Risk Parameters R (Radial): 2.626 | I (In-track): -0.694 | C (Cross-track): 0.509
    Collision Risk Index (CRI) 0.36
    X Position (km) 5492.267 5494.634
    Position Y (km) 1343.288 1342.987
    Position Z (km) 3873.718 3875.113
    Velocity X (km/s) -4.2 0.335
    Velocity Y (km/s) 4.681 7.043
    Velocity Z (km/s) 4.319 -2.908

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3872 STARLINK-33940
    Semimajor Axis (a) 6859.968 km 6861.160 km
    Eccentricity (e) 0.000143 0.000152
    Inclination (i) 53.1609° 43.0018°
    RAAN 352.7310° 260.0220°
    Perigee Argument 38.3506° 274.0526°
    Mean Anomaly (M) 129.6284° 86.0152°
    Apogee 482.816 km 484.065 km
    Perigee 480.846 km 481.981 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T10:41:37+0000

    STARLINK-3872 & STARLINK-33940 Collision Probability (Pc) Trend

    STARLINK-3872 & STARLINK-33940 Collision Probability (Pc) TrendNot Available

    STARLINK-3872 & STARLINK-33940 Miss Distance (Miss Distance) Trend

    STARLINK-3872 & STARLINK-33940 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3872Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3872Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3872

    No nearby objects data