Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.369108E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:02:24+0800
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    1 Object 1

    AOE ID 57263
    NORAD ID 57263
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63769
    NORAD ID 63769
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5509 STARLINK-33907
    Time of Closest Approach 2026-09-04T13:10:52+0000
    Collision Probability (Pc) 4.369108E-7
    Conjunction Distance (km) 2.733 km
    Relative Speed (km/s) 1.331 km/s
    Conjunction Risk Parameters R (Radial): -0.386 | I (In-track): -2.694 | C (Cross-track): 0.235
    Collision Risk Index (CRI) 0.28
    X Position (km) 4797.216 4797.775
    Position Y (km) 1547.734 1545.072
    Position Z (km) -4658.621 -4658.361
    Velocity X (km/s) -1.898 -2.756
    Velocity Y (km/s) 7.361 7.085
    Velocity Z (km/s) 0.492 -0.487

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5509 STARLINK-33907
    Semimajor Axis (a) 6861.203 km 6861.175 km
    Eccentricity (e) 0.000117 0.000149
    Inclination (i) 43.0032° 42.9992°
    RAAN 112.9525° 130.9789°
    Perigee Argument 272.3107° 276.6118°
    Mean Anomaly (M) 87.7611° 83.4565°
    Apogee 483.869 km 484.057 km
    Perigee 482.263 km 482.019 km
    Orbit Epoch 2026-09-02T08:11:41+0000 2026-09-01T18:07:15+0000

    STARLINK-5509 & STARLINK-33907 Collision Probability (Pc) Trend

    STARLINK-5509 & STARLINK-33907 Collision Probability (Pc) TrendNot Available

    STARLINK-5509 & STARLINK-33907 Miss Distance (Miss Distance) Trend

    STARLINK-5509 & STARLINK-33907 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33907Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33907Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5509

    No nearby objects data