Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.445693E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:34:29+0800
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    1 Object 1

    AOE ID 52459
    NORAD ID 52459
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53061
    NORAD ID 53061
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3856 STARLINK-4308
    Time of Closest Approach 2026-09-13T12:31:38+0000
    Collision Probability (Pc) 1.445693E-6
    Conjunction Distance (km) 2.777 km
    Relative Speed (km/s) 14.189 km/s
    Conjunction Risk Parameters R (Radial): 2.319 | I (In-track): 0.559 | C (Cross-track): 1.423
    Collision Risk Index (CRI) 0.38
    X Position (km) 2167.864 2167.196
    Position Y (km) 4638.379 4640.019
    Position Z (km) 4531.388 4533.527
    Velocity X (km/s) -4.255 -0.943
    Velocity Y (km/s) 5.34 -5.073
    Velocity Z (km/s) -3.421 5.627

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3856 STARLINK-4308
    Semimajor Axis (a) 6843.360 km 6843.695 km
    Eccentricity (e) 0.000112 0.000160
    Inclination (i) 53.1602° 97.2854°
    RAAN 297.5803° 68.9511°
    Perigee Argument 83.9402° 87.1059°
    Mean Anomaly (M) 276.1728° 273.0367°
    Apogee 465.991 km 466.656 km
    Perigee 464.455 km 464.460 km
    Orbit Epoch 2026-09-11T03:40:51+0000 2026-09-10T23:15:58+0000

    STARLINK-3856 & STARLINK-4308 Collision Probability (Pc) Trend

    STARLINK-3856 & STARLINK-4308 Collision Probability (Pc) TrendNot Available

    STARLINK-3856 & STARLINK-4308 Miss Distance (Miss Distance) Trend

    STARLINK-3856 & STARLINK-4308 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3856Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4308Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3856Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4308Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3856

    No nearby objects data