Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.221329E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:14:13+0800
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    1 Object 1

    AOE ID 53509
    NORAD ID 53509
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64377
    NORAD ID 64377
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4402 STARLINK-11742
    Time of Closest Approach 2026-09-12T13:10:39+0000
    Collision Probability (Pc) 1.221329E-6
    Conjunction Distance (km) 2.417 km
    Relative Speed (km/s) 7.203 km/s
    Conjunction Risk Parameters R (Radial): -2.337 | I (In-track): -0.539 | C (Cross-track): -0.285
    Collision Risk Index (CRI) 0.37
    X Position (km) -5908.408 -5906.357
    Position Y (km) -2986.088 -2984.817
    Position Z (km) 1240.098 1240.23
    Velocity X (km/s) -1.73 1.732
    Velocity Y (km/s) 0.286 -5.541
    Velocity Z (km/s) -7.493 -5.056

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4402 STARLINK-11742
    Semimajor Axis (a) 6734.264 km 6734.548 km
    Eccentricity (e) 0.000167 0.000126
    Inclination (i) 97.6059° 43.0002°
    RAAN 24.6890° 42.4222°
    Perigee Argument 74.6061° 312.2058°
    Mean Anomaly (M) 120.2075° 47.8702°
    Apogee 357.251 km 357.261 km
    Perigee 355.003 km 355.561 km
    Orbit Epoch 2026-09-11T22:00:02+0000 2026-09-11T21:13:24+0000

    STARLINK-4402 & STARLINK-11742 Collision Probability (Pc) Trend

    STARLINK-4402 & STARLINK-11742 Collision Probability (Pc) TrendNot Available

    STARLINK-4402 & STARLINK-11742 Miss Distance (Miss Distance) Trend

    STARLINK-4402 & STARLINK-11742 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11742Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11742Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4402

    No nearby objects data