Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.205191E-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 69741
    NORAD ID 69741
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-38074
    Time of Closest Approach 2026-10-20T01:08:21+0000
    Collision Probability (Pc) 1.205191E-6
    Conjunction Distance (km) 2.77 km
    Relative Speed (km/s) 10.28 km/s
    Conjunction Risk Parameters R (Radial): 2.061 | I (In-track): -1.372 | C (Cross-track): 1.242
    Collision Risk Index (CRI) 0.37
    X Position (km) 3321.515 3320.959
    Position Y (km) -2713.941 -2714.71
    Position Z (km) 5322.436 5325.037
    Velocity X (km/s) 5.972 3.537
    Velocity Y (km/s) 4.549 -4.884
    Velocity Z (km/s) -1.404 -4.683

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-38074
    Semimajor Axis (a) 6843.354 km 6843.638 km
    Eccentricity (e) 0.000120 0.000196
    Inclination (i) 53.1576° 97.2815°
    RAAN 217.8518° 129.3932°
    Perigee Argument 94.8510° 86.4297°
    Mean Anomaly (M) 265.2629° 273.7170°
    Apogee 466.041 km 466.846 km
    Perigee 464.393 km 464.156 km
    Orbit Epoch 2026-10-18T04:53:45+0000 2026-10-17T19:20:13+0000

    STARLINK-3981 & STARLINK-38074 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-38074 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-38074 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-38074 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-38074Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-38074Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data