Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.380046E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:52:17+0800
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    1 Object 1

    AOE ID 52687
    NORAD ID 52687
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65640
    NORAD ID 65640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-35091
    Time of Closest Approach 2026-10-18T23:30:08+0000
    Collision Probability (Pc) 1.380046E-6
    Conjunction Distance (km) 2.607 km
    Relative Speed (km/s) 11.096 km/s
    Conjunction Risk Parameters R (Radial): -2.244 | I (In-track): 0.911 | C (Cross-track): -0.961
    Collision Risk Index (CRI) 0.38
    X Position (km) -5898.471 -5896.32
    Position Y (km) -989.013 -989.995
    Position Z (km) -3334.828 -3333.733
    Velocity X (km/s) -1.795 3.528
    Velocity Y (km/s) -5.61 -4.718
    Velocity Z (km/s) 4.847 -4.847

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-35091
    Semimajor Axis (a) 6843.354 km 6840.808 km
    Eccentricity (e) 0.000120 0.000239
    Inclination (i) 53.1576° 53.1556°
    RAAN 217.8518° 348.6558°
    Perigee Argument 94.8510° 86.2773°
    Mean Anomaly (M) 265.2629° 273.8503°
    Apogee 466.041 km 464.308 km
    Perigee 464.393 km 461.034 km
    Orbit Epoch 2026-10-18T04:53:45+0000 2026-10-18T03:48:01+0000

    STARLINK-3981 & STARLINK-35091 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-35091 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-35091 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-35091 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35091Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35091Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data