Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.171485E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:20:02+0800
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    1 Object 1

    AOE ID 53012
    NORAD ID 53012
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69683
    NORAD ID 69683
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4271 STARLINK-37990
    Time of Closest Approach 2026-09-03T04:54:13+0000
    Collision Probability (Pc) 1.171485E-6
    Conjunction Distance (km) 2.854 km
    Relative Speed (km/s) 10.496 km/s
    Conjunction Risk Parameters R (Radial): 2.311 | I (In-track): 1.216 | C (Cross-track): 1.15
    Collision Risk Index (CRI) 0.36
    X Position (km) -460.56 -461.397
    Position Y (km) -4225.874 -4225.465
    Position Z (km) -5377.07 -5374.373
    Velocity X (km/s) 7.49 -0.914
    Velocity Y (km/s) 0.712 5.983
    Velocity Z (km/s) -1.202 -4.629

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4271 STARLINK-37990
    Semimajor Axis (a) 6848.892 km 6843.660 km
    Eccentricity (e) 0.000110 0.000247
    Inclination (i) 53.1635° 97.2841°
    RAAN 19.5071° 92.4553°
    Perigee Argument 75.7713° 82.9892°
    Mean Anomaly (M) 284.3411° 277.1631°
    Apogee 471.512 km 467.211 km
    Perigee 469.998 km 463.835 km
    Orbit Epoch 2026-09-01T15:45:40+0000 2026-09-02T13:47:58+0000

    STARLINK-4271 & STARLINK-37990 Collision Probability (Pc) Trend

    STARLINK-4271 & STARLINK-37990 Collision Probability (Pc) TrendNot Available

    STARLINK-4271 & STARLINK-37990 Miss Distance (Miss Distance) Trend

    STARLINK-4271 & STARLINK-37990 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4271Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4271Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4271

    No nearby objects data