Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.941966E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:59:37+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69663
    NORAD ID 69663
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4272 STARLINK-37554
    Time of Closest Approach 2026-09-05T23:20:49+0000
    Collision Probability (Pc) 7.941966E-7
    Conjunction Distance (km) 2.993 km
    Relative Speed (km/s) 5.784 km/s
    Conjunction Risk Parameters R (Radial): -2.806 | I (In-track): 0.961 | C (Cross-track): -0.396
    Collision Risk Index (CRI) 0.33
    X Position (km) 2475.625 2476.436
    Position Y (km) -6319.225 -6322.035
    Position Z (km) 875.481 874.845
    Velocity X (km/s) 4.009 -1.264
    Velocity Y (km/s) 2.415 0.554
    Velocity Z (km/s) 6.033 7.507

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4272 STARLINK-37554
    Semimajor Axis (a) 6843.375 km 6843.676 km
    Eccentricity (e) 0.000108 0.000066
    Inclination (i) 53.1594° 97.2841°
    RAAN 294.3732° 289.9544°
    Perigee Argument 79.4448° 142.2444°
    Mean Anomaly (M) 280.6676° 217.8844°
    Apogee 465.979 km 465.988 km
    Perigee 464.497 km 465.090 km
    Orbit Epoch 2026-09-04T03:30:42+0000 2026-09-03T13:22:10+0000

    STARLINK-4272 & STARLINK-37554 Collision Probability (Pc) Trend

    STARLINK-4272 & STARLINK-37554 Collision Probability (Pc) TrendNot Available

    STARLINK-4272 & STARLINK-37554 Miss Distance (Miss Distance) Trend

    STARLINK-4272 & STARLINK-37554 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4272Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4272Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4272

    No nearby objects data