Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.166688E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:37:55+0800
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    1 Object 1

    AOE ID 49460
    NORAD ID 49460
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 51789
    NORAD ID 51789
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3140 STARLINK-3639
    Time of Closest Approach 2026-09-12T19:24:58+0000
    Collision Probability (Pc) 1.166688E-6
    Conjunction Distance (km) 2.927 km
    Relative Speed (km/s) 11.026 km/s
    Conjunction Risk Parameters R (Radial): 2.92 | I (In-track): -0.14 | C (Cross-track): -0.137
    Collision Risk Index (CRI) 0.36
    X Position (km) -2809.021 -2810.393
    Position Y (km) -5208.714 -5210.844
    Position Z (km) 3417.488 3418.954
    Velocity X (km/s) 3.344 5.967
    Velocity Y (km/s) -4.944 -0.078
    Velocity Z (km/s) -4.77 4.769

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3140 STARLINK-3639
    Semimajor Axis (a) 6837.886 km 6840.855 km
    Eccentricity (e) 0.000107 0.000123
    Inclination (i) 53.1595° 53.1581°
    RAAN 95.9729° 228.2200°
    Perigee Argument 84.0206° 82.8371°
    Mean Anomaly (M) 276.0918° 277.2771°
    Apogee 460.478 km 463.559 km
    Perigee 459.020 km 461.877 km
    Orbit Epoch 2026-09-10T23:03:41+0000 2026-09-10T04:43:05+0000

    STARLINK-3140 & STARLINK-3639 Collision Probability (Pc) Trend

    STARLINK-3140 & STARLINK-3639 Collision Probability (Pc) TrendNot Available

    STARLINK-3140 & STARLINK-3639 Miss Distance (Miss Distance) Trend

    STARLINK-3140 & STARLINK-3639 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3140Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3140

    No nearby objects data