Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.891692E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:07:17+0800
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    1 Object 1

    AOE ID 55431
    NORAD ID 55431
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65236
    NORAD ID 65236
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5643 STARLINK-34938
    Time of Closest Approach 2026-10-20T04:27:15+0000
    Collision Probability (Pc) 2.891692E-6
    Conjunction Distance (km) 1.876 km
    Relative Speed (km/s) 11.541 km/s
    Conjunction Risk Parameters R (Radial): 1.65 | I (In-track): 0.589 | C (Cross-track): 0.671
    Collision Risk Index (CRI) 0.44
    X Position (km) -1612.528 -1612.331
    Position Y (km) 1784.425 1784.822
    Position Z (km) -6421.549 -6419.727
    Velocity X (km/s) -4.467 6.498
    Velocity Y (km/s) -6.141 -3.086
    Velocity Z (km/s) -0.586 -2.491

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 STARLINK-34938
    Semimajor Axis (a) 6853.246 km 6843.688 km
    Eccentricity (e) 0.000387 0.000679
    Inclination (i) 70.0002° 97.2847°
    RAAN 237.9553° 330.7262°
    Perigee Argument 249.4566° 83.6446°
    Mean Anomaly (M) 110.6194° 276.5570°
    Apogee 477.762 km 470.200 km
    Perigee 472.456 km 460.902 km
    Orbit Epoch 2026-10-19T06:54:14+0000 2026-10-18T20:02:33+0000

    STARLINK-5643 & STARLINK-34938 Collision Probability (Pc) Trend

    STARLINK-5643 & STARLINK-34938 Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & STARLINK-34938 Miss Distance (Miss Distance) Trend

    STARLINK-5643 & STARLINK-34938 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34938Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34938Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data