Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.129857E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:44:22+0800
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    1 Object 1

    AOE ID 54064
    NORAD ID 54064
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69689
    NORAD ID 69689
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5172 STARLINK-37979
    Time of Closest Approach 2026-10-20T21:09:20+0000
    Collision Probability (Pc) 2.129857E-6
    Conjunction Distance (km) 2.247 km
    Relative Speed (km/s) 14.348 km/s
    Conjunction Risk Parameters R (Radial): -2.245 | I (In-track): -0.004 | C (Cross-track): 0.039
    Collision Risk Index (CRI) 0.42
    X Position (km) 3838.376 3837.108
    Position Y (km) -3895.206 -3893.961
    Position Z (km) -4130.145 -4128.771
    Velocity X (km/s) 6.207 -4.044
    Velocity Y (km/s) 1.863 2.379
    Velocity Z (km/s) 4.016 -6.009

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5172 STARLINK-37979
    Semimajor Axis (a) 6848.882 km 6843.656 km
    Eccentricity (e) 0.000021 0.000167
    Inclination (i) 53.1610° 97.2840°
    RAAN 356.9234° 138.2826°
    Perigee Argument 355.2401° 84.7589°
    Mean Anomaly (M) 4.8598° 275.3845°
    Apogee 470.892 km 466.662 km
    Perigee 470.598 km 464.376 km
    Orbit Epoch 2026-10-19T04:39:08+0000 2026-10-19T00:21:39+0000

    STARLINK-5172 & STARLINK-37979 Collision Probability (Pc) Trend

    STARLINK-5172 & STARLINK-37979 Collision Probability (Pc) TrendNot Available

    STARLINK-5172 & STARLINK-37979 Miss Distance (Miss Distance) Trend

    STARLINK-5172 & STARLINK-37979 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37979Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37979Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5172

    No nearby objects data