Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.588274E-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 63424
    NORAD ID 63424
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5509 STARLINK-33655
    Time of Closest Approach 2026-09-05T06:33:02+0000
    Collision Probability (Pc) 8.588274E-7
    Conjunction Distance (km) 2.945 km
    Relative Speed (km/s) 6.459 km/s
    Conjunction Risk Parameters R (Radial): 0.39 | I (In-track): 2.643 | C (Cross-track): -1.239
    Collision Risk Index (CRI) 0.34
    X Position (km) 3933.636 3931.801
    Position Y (km) 3904.535 3906.826
    Position Z (km) -4048.254 -4048.486
    Velocity X (km/s) -3.511 -6.214
    Velocity Y (km/s) 6.239 3.554
    Velocity Z (km/s) 2.608 -2.607

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5509 STARLINK-33655
    Semimajor Axis (a) 6861.203 km 6861.174 km
    Eccentricity (e) 0.000117 0.000043
    Inclination (i) 43.0032° 42.9983°
    RAAN 112.9525° 192.2904°
    Perigee Argument 272.3107° 287.7040°
    Mean Anomaly (M) 87.7611° 72.3765°
    Apogee 483.869 km 483.332 km
    Perigee 482.263 km 482.742 km
    Orbit Epoch 2026-09-02T08:11:41+0000 2026-09-01T21:28:32+0000

    STARLINK-5509 & STARLINK-33655 Collision Probability (Pc) Trend

    STARLINK-5509 & STARLINK-33655 Collision Probability (Pc) TrendNot Available

    STARLINK-5509 & STARLINK-33655 Miss Distance (Miss Distance) Trend

    STARLINK-5509 & STARLINK-33655 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33655Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33655Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5509

    No nearby objects data