Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.643481E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:44:01+0800
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    1 Object 1

    AOE ID 52278
    NORAD ID 52278
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58107
    NORAD ID 58107
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3780 STARLINK-30421
    Time of Closest Approach 2026-09-04T11:03:51+0000
    Collision Probability (Pc) 4.643481E-7
    Conjunction Distance (km) 2.822 km
    Relative Speed (km/s) 1.694 km/s
    Conjunction Risk Parameters R (Radial): 2.818 | I (In-track): -0.16 | C (Cross-track): -0.013
    Collision Risk Index (CRI) 0.28
    X Position (km) -2088.058 -2088.779
    Position Y (km) 3554.555 3556.1
    Position Z (km) 5445.731 5447.98
    Velocity X (km/s) -6.89 -6.204
    Velocity Y (km/s) -3.262 -4.427
    Velocity Z (km/s) -0.511 0.509

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3780 STARLINK-30421
    Semimajor Axis (a) 6837.853 km 6840.879 km
    Eccentricity (e) 0.000108 0.000123
    Inclination (i) 53.1609° 53.1591°
    RAAN 30.8590° 49.1096°
    Perigee Argument 68.8560° 96.0371°
    Mean Anomaly (M) 182.3755° 264.0771°
    Apogee 460.454 km 463.582 km
    Perigee 458.978 km 461.902 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-02T03:58:51+0000

    STARLINK-3780 & STARLINK-30421 Collision Probability (Pc) Trend

    STARLINK-3780 & STARLINK-30421 Collision Probability (Pc) TrendNot Available

    STARLINK-3780 & STARLINK-30421 Miss Distance (Miss Distance) Trend

    STARLINK-3780 & STARLINK-30421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3780Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3780Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3780

    No nearby objects data