Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.703403E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:09:23+0800
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    1 Object 1

    AOE ID 52567
    NORAD ID 52567
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52866
    NORAD ID 52866
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3929 STARLINK-4272
    Time of Closest Approach 2026-09-14T03:20:47+0000
    Collision Probability (Pc) 1.703403E-6
    Conjunction Distance (km) 2.16 km
    Relative Speed (km/s) 8.631 km/s
    Conjunction Risk Parameters R (Radial): 2.077 | I (In-track): -0.486 | C (Cross-track): 0.341
    Collision Risk Index (CRI) 0.4
    X Position (km) 4585.61 4587.228
    Position Y (km) 1908.808 1908.837
    Position Z (km) 4694.38 4695.81
    Velocity X (km/s) -5.163 0.318
    Velocity Y (km/s) 4.679 6.959
    Velocity Z (km/s) 3.132 -3.132

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3929 STARLINK-4272
    Semimajor Axis (a) 6840.878 km 6843.386 km
    Eccentricity (e) 0.000119 0.000170
    Inclination (i) 53.1613° 53.1597°
    RAAN 349.4129° 262.1186°
    Perigee Argument 73.5279° 108.1006°
    Mean Anomaly (M) 286.5854° 252.0181°
    Apogee 463.553 km 466.409 km
    Perigee 461.929 km 464.089 km
    Orbit Epoch 2026-09-11T14:07:22+0000 2026-09-11T01:18:31+0000

    STARLINK-3929 & STARLINK-4272 Collision Probability (Pc) Trend

    STARLINK-3929 & STARLINK-4272 Collision Probability (Pc) TrendNot Available

    STARLINK-3929 & STARLINK-4272 Miss Distance (Miss Distance) Trend

    STARLINK-3929 & STARLINK-4272 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3929Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4272Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3929Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4272Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3929

    No nearby objects data