Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.80434E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:09:20+0800
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    1 Object 1

    AOE ID 53400
    NORAD ID 53400
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65910
    NORAD ID 65910
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4520 STARLINK-35523
    Time of Closest Approach 2026-09-14T07:01:38+0000
    Collision Probability (Pc) 4.80434E-7
    Conjunction Distance (km) 2.741 km
    Relative Speed (km/s) 1.694 km/s
    Conjunction Risk Parameters R (Radial): 2.659 | I (In-track): -0.661 | C (Cross-track): -0.072
    Collision Risk Index (CRI) 0.29
    X Position (km) 92.36 93.062
    Position Y (km) 4121.185 4122.772
    Position Z (km) 5445.676 5447.796
    Velocity X (km/s) -7.576 -7.605
    Velocity Y (km/s) 0.846 -0.504
    Velocity Z (km/s) -0.511 0.51

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4520 STARLINK-35523
    Semimajor Axis (a) 6837.831 km 6840.885 km
    Eccentricity (e) 0.000114 0.000104
    Inclination (i) 53.1620° 53.1610°
    RAAN 4.8491° 23.7908°
    Perigee Argument 112.7273° 73.9433°
    Mean Anomaly (M) 247.3850° 286.1684°
    Apogee 460.471 km 463.463 km
    Perigee 458.917 km 462.033 km
    Orbit Epoch 2026-09-11T06:45:19+0000 2026-09-10T15:07:10+0000

    STARLINK-4520 & STARLINK-35523 Collision Probability (Pc) Trend

    STARLINK-4520 & STARLINK-35523 Collision Probability (Pc) TrendNot Available

    STARLINK-4520 & STARLINK-35523 Miss Distance (Miss Distance) Trend

    STARLINK-4520 & STARLINK-35523 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35523Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35523Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4520

    No nearby objects data