Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.187377E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:34:34+0800
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    1 Object 1

    AOE ID 53034
    NORAD ID 53034
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53057
    NORAD ID 53057
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4151 STARLINK-4252
    Time of Closest Approach 2026-10-21T10:37:23+0000
    Collision Probability (Pc) 8.187377E-7
    Conjunction Distance (km) 2.956 km
    Relative Speed (km/s) 5.963 km/s
    Conjunction Risk Parameters R (Radial): 2.942 | I (In-track): 0.263 | C (Cross-track): -0.113
    Collision Risk Index (CRI) 0.33
    X Position (km) -2449.194 -2448.043
    Position Y (km) 6132.059 6129.387
    Position Z (km) -1829.51 -1828.99
    Velocity X (km/s) -4.996 0.185
    Velocity Y (km/s) -0.284 2.24
    Velocity Z (km/s) 5.758 7.29

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4151 STARLINK-4252
    Semimajor Axis (a) 6848.866 km 6843.574 km
    Eccentricity (e) 0.000127 0.000298
    Inclination (i) 53.1590° 97.2809°
    RAAN 139.8504° 107.3010°
    Perigee Argument 83.1660° 93.2935°
    Mean Anomaly (M) 276.9485° 266.8648°
    Apogee 471.597 km 467.477 km
    Perigee 469.861 km 463.397 km
    Orbit Epoch 2026-10-17T23:42:36+0000 2026-10-18T23:10:46+0000

    STARLINK-4151 & STARLINK-4252 Collision Probability (Pc) Trend

    STARLINK-4151 & STARLINK-4252 Collision Probability (Pc) TrendNot Available

    STARLINK-4151 & STARLINK-4252 Miss Distance (Miss Distance) Trend

    STARLINK-4151 & STARLINK-4252 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4151Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4252Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4151Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4252Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4151

    No nearby objects data