Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.3606E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:34:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52469
    NORAD ID 52469
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53578
    NORAD ID 53578
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3828 STARLINK-4556
    Time of Closest Approach 2026-09-03T18:37:12+0000
    Collision Probability (Pc) 4.3606E-7
    Conjunction Distance (km) 2.575 km
    Relative Speed (km/s) 1.084 km/s
    Conjunction Risk Parameters R (Radial): 2.445 | I (In-track): 0.803 | C (Cross-track): 0.063
    Collision Risk Index (CRI) 0.28
    X Position (km) 2249.458 2249.329
    Position Y (km) 3440.374 3438.707
    Position Z (km) 5461.394 5459.437
    Velocity X (km/s) -6.614 -6.14
    Velocity Y (km/s) 3.806 4.532
    Velocity Z (km/s) 0.326 -0.324

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3828 STARLINK-4556
    Semimajor Axis (a) 6843.379 km 6840.861 km
    Eccentricity (e) 0.000118 0.000112
    Inclination (i) 53.1614° 53.1601°
    RAAN 342.3361° 327.6124°
    Perigee Argument 83.7412° 76.1201°
    Mean Anomaly (M) 276.3724° 283.9926°
    Apogee 466.048 km 463.493 km
    Perigee 464.436 km 461.955 km
    Orbit Epoch 2026-09-01T13:03:46+0000 2026-09-02T12:30:53+0000

    STARLINK-3828 & STARLINK-4556 Collision Probability (Pc) Trend

    STARLINK-3828 & STARLINK-4556 Collision Probability (Pc) TrendNot Available

    STARLINK-3828 & STARLINK-4556 Miss Distance (Miss Distance) Trend

    STARLINK-3828 & STARLINK-4556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3828Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3828Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3828

    No nearby objects data