Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.412832E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:55:44+0800
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    1 Object 1

    AOE ID 52641
    NORAD ID 52641
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68907
    NORAD ID 68907
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3991 STARLINK-37551
    Time of Closest Approach 2026-10-22T14:35:26+0000
    Collision Probability (Pc) 1.412832E-6
    Conjunction Distance (km) 2.869 km
    Relative Speed (km/s) 14.734 km/s
    Conjunction Risk Parameters R (Radial): -2.795 | I (In-track): 0.177 | C (Cross-track): -0.618
    Collision Risk Index (CRI) 0.38
    X Position (km) 4373.958 4372.658
    Position Y (km) -5062.974 -5060.555
    Position Z (km) 1457.938 1457.108
    Velocity X (km/s) 2.699 0.311
    Velocity Y (km/s) 4.039 -1.874
    Velocity Z (km/s) 5.888 -7.393

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3991 STARLINK-37551
    Semimajor Axis (a) 6848.895 km 6843.662 km
    Eccentricity (e) 0.000158 0.000151
    Inclination (i) 53.1600° 97.2853°
    RAAN 313.2854° 126.6934°
    Perigee Argument 76.8083° 80.7220°
    Mean Anomaly (M) 283.3095° 279.4193°
    Apogee 471.839 km 466.558 km
    Perigee 469.677 km 464.492 km
    Orbit Epoch 2026-10-20T01:26:57+0000 2026-10-20T00:47:10+0000

    STARLINK-3991 & STARLINK-37551 Collision Probability (Pc) Trend

    STARLINK-3991 & STARLINK-37551 Collision Probability (Pc) TrendNot Available

    STARLINK-3991 & STARLINK-37551 Miss Distance (Miss Distance) Trend

    STARLINK-3991 & STARLINK-37551 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3991Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3991

    No nearby objects data