Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.358136E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T10:24:39+0800
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    1 Object 1

    AOE ID 52855
    NORAD ID 52855
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69144
    NORAD ID 69144
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4209 STARLINK-37638
    Time of Closest Approach 2026-09-12T12:38:35+0000
    Collision Probability (Pc) 1.358136E-6
    Conjunction Distance (km) 2.95 km
    Relative Speed (km/s) 14.63 km/s
    Conjunction Risk Parameters R (Radial): 2.944 | I (In-track): -0.055 | C (Cross-track): -0.17
    Collision Risk Index (CRI) 0.38
    X Position (km) 448.457 448.427
    Position Y (km) -6201.257 -6198.611
    Position Z (km) 2864.593 2863.289
    Velocity X (km/s) 4.852 -0.834
    Velocity Y (km/s) 2.765 -3.243
    Velocity Z (km/s) 5.205 -6.861

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4209 STARLINK-37638
    Semimajor Axis (a) 6848.872 km 6843.680 km
    Eccentricity (e) 0.000126 0.000195
    Inclination (i) 53.1591° 97.2845°
    RAAN 264.2865° 88.8019°
    Perigee Argument 83.5140° 82.5068°
    Mean Anomaly (M) 276.6005° 277.6396°
    Apogee 471.600 km 466.877 km
    Perigee 469.870 km 464.209 km
    Orbit Epoch 2026-09-10T07:15:43+0000 2026-09-10T12:59:14+0000

    STARLINK-4209 & STARLINK-37638 Collision Probability (Pc) Trend

    STARLINK-4209 & STARLINK-37638 Collision Probability (Pc) TrendNot Available

    STARLINK-4209 & STARLINK-37638 Miss Distance (Miss Distance) Trend

    STARLINK-4209 & STARLINK-37638 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4209Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37638Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4209Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37638Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4209

    No nearby objects data