Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.059334E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:08:46+0800
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    1 Object 1

    AOE ID 51865
    NORAD ID 51865
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57853
    NORAD ID 57853
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3503 STARLINK-30404
    Time of Closest Approach 2026-09-13T05:06:23+0000
    Collision Probability (Pc) 1.059334E-6
    Conjunction Distance (km) 2.997 km
    Relative Speed (km/s) 9.771 km/s
    Conjunction Risk Parameters R (Radial): 2.788 | I (In-track): 0.845 | C (Cross-track): 0.708
    Collision Risk Index (CRI) 0.36
    X Position (km) -423.836 -425.107
    Position Y (km) 5326.281 5328.365
    Position Z (km) -4275.103 -4276.843
    Velocity X (km/s) -5.598 -6.082
    Velocity Y (km/s) -3.506 2.575
    Velocity Z (km/s) -3.817 3.816

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3503 STARLINK-30404
    Semimajor Axis (a) 6837.864 km 6840.878 km
    Eccentricity (e) 0.000132 0.000095
    Inclination (i) 53.1576° 53.1590°
    RAAN 247.9425° 141.1259°
    Perigee Argument 77.8842° 87.5735°
    Mean Anomaly (M) 282.2308° 272.5376°
    Apogee 460.627 km 463.394 km
    Perigee 458.827 km 462.088 km
    Orbit Epoch 2026-09-11T00:33:00+0000 2026-09-11T03:18:20+0000

    STARLINK-3503 & STARLINK-30404 Collision Probability (Pc) Trend

    STARLINK-3503 & STARLINK-30404 Collision Probability (Pc) TrendNot Available

    STARLINK-3503 & STARLINK-30404 Miss Distance (Miss Distance) Trend

    STARLINK-3503 & STARLINK-30404 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30404Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30404Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3503

    No nearby objects data