Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.154914E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T20:33:02+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 63592
    NORAD ID 63592
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5509 STARLINK-33666
    Time of Closest Approach 2026-09-12T22:41:36+0000
    Collision Probability (Pc) 2.154914E-5
    Conjunction Distance (km) 0.885 km
    Relative Speed (km/s) 5.876 km/s
    Conjunction Risk Parameters R (Radial): 0.54 | I (In-track): -0.646 | C (Cross-track): 0.269
    Collision Risk Index (CRI) 0.62
    X Position (km) -1741.763 -1741.237
    Position Y (km) 5147.153 5147.784
    Position Z (km) 4180.235 4180.563
    Velocity X (km/s) -6.093 -7.242
    Velocity Y (km/s) -3.955 -0.556
    Velocity Z (km/s) 2.326 -2.326

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5509 STARLINK-33666
    Semimajor Axis (a) 6861.202 km 6861.077 km
    Eccentricity (e) 0.000108 0.000260
    Inclination (i) 43.0021° 43.0036°
    RAAN 68.6386° 6.6080°
    Perigee Argument 270.6941° 274.0261°
    Mean Anomaly (M) 89.3787° 86.0294°
    Apogee 483.804 km 484.721 km
    Perigee 482.326 km 481.159 km
    Orbit Epoch 2026-09-10T04:30:28+0000 2026-09-09T00:02:16+0000

    STARLINK-5509 & STARLINK-33666 Collision Probability (Pc) Trend

    STARLINK-5509 & STARLINK-33666 Collision Probability (Pc) TrendNot Available

    STARLINK-5509 & STARLINK-33666 Miss Distance (Miss Distance) Trend

    STARLINK-5509 & STARLINK-33666 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33666Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33666Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5509

    No nearby objects data