Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.087897E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:35:19+0800
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    1 Object 1

    AOE ID 53803
    NORAD ID 53803
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67860
    NORAD ID 67860
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4727 STARLINK-35873
    Time of Closest Approach 2026-09-14T05:28:36+0000
    Collision Probability (Pc) 9.087897E-7
    Conjunction Distance (km) 2.883 km
    Relative Speed (km/s) 6.838 km/s
    Conjunction Risk Parameters R (Radial): 2.824 | I (In-track): -0.521 | C (Cross-track): 0.26
    Collision Risk Index (CRI) 0.34
    X Position (km) -4520.968 -4522.743
    Position Y (km) 738.735 739.615
    Position Z (km) 5066.93 5069.024
    Velocity X (km/s) 1.404 -3.608
    Velocity Y (km/s) -7.153 -6.333
    Velocity Z (km/s) 2.289 -2.289

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4727 STARLINK-35873
    Semimajor Axis (a) 6837.853 km 6840.843 km
    Eccentricity (e) 0.000114 0.000123
    Inclination (i) 53.1606° 53.1610°
    RAAN 120.8538° 53.2223°
    Perigee Argument 86.5590° 76.5166°
    Mean Anomaly (M) 273.5543° 283.5974°
    Apogee 460.493 km 463.547 km
    Perigee 458.939 km 461.865 km
    Orbit Epoch 2026-09-12T21:56:15+0000 2026-09-12T20:09:48+0000

    STARLINK-4727 & STARLINK-35873 Collision Probability (Pc) Trend

    STARLINK-4727 & STARLINK-35873 Collision Probability (Pc) TrendNot Available

    STARLINK-4727 & STARLINK-35873 Miss Distance (Miss Distance) Trend

    STARLINK-4727 & STARLINK-35873 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35873Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4727Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35873Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4727

    No nearby objects data