Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.616849E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:06:26+0800
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    1 Object 1

    AOE ID 51863
    NORAD ID 51863
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58773
    NORAD ID 58773
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3555 STARLINK-31073
    Time of Closest Approach 2026-09-13T15:12:49+0000
    Collision Probability (Pc) 4.616849E-7
    Conjunction Distance (km) 2.817 km
    Relative Speed (km/s) 1.663 km/s
    Conjunction Risk Parameters R (Radial): 2.811 | I (In-track): 0.183 | C (Cross-track): -0.015
    Collision Risk Index (CRI) 0.28
    X Position (km) 3050.376 3051.752
    Position Y (km) -2771.856 -2772.859
    Position Z (km) 5446.056 5448.3
    Velocity X (km/s) 4.617 5.598
    Velocity Y (km/s) 6.067 5.173
    Velocity Z (km/s) 0.5 -0.502

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3555 STARLINK-31073
    Semimajor Axis (a) 6837.876 km 6840.888 km
    Eccentricity (e) 0.000130 0.000158
    Inclination (i) 53.1568° 53.1581°
    RAAN 246.5915° 235.8352°
    Perigee Argument 98.2544° 82.5807°
    Mean Anomaly (M) 261.8607° 277.5375°
    Apogee 460.631 km 463.830 km
    Perigee 458.847 km 461.672 km
    Orbit Epoch 2026-09-11T06:36:13+0000 2026-09-10T05:30:47+0000

    STARLINK-3555 & STARLINK-31073 Collision Probability (Pc) Trend

    STARLINK-3555 & STARLINK-31073 Collision Probability (Pc) TrendNot Available

    STARLINK-3555 & STARLINK-31073 Miss Distance (Miss Distance) Trend

    STARLINK-3555 & STARLINK-31073 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3555Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31073Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3555Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31073Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3555

    No nearby objects data