Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.089213E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:43:53+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 64430
    NORAD ID 64430
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5509 STARLINK-34441
    Time of Closest Approach 2026-09-12T02:20:03+0000
    Collision Probability (Pc) 1.089213E-6
    Conjunction Distance (km) 2.911 km
    Relative Speed (km/s) 9.651 km/s
    Conjunction Risk Parameters R (Radial): 2.278 | I (In-track): 1.405 | C (Cross-track): 1.146
    Collision Risk Index (CRI) 0.36
    X Position (km) -2990.313 -2987.689
    Position Y (km) 4252.878 4252.025
    Position Z (km) 4468.479 4467.553
    Velocity X (km/s) -5.264 -5.369
    Velocity Y (km/s) -5.306 1.657
    Velocity Z (km/s) 1.524 -5.157

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5509 STARLINK-34441
    Semimajor Axis (a) 6861.202 km 6855.298 km
    Eccentricity (e) 0.000108 0.000323
    Inclination (i) 43.0021° 69.9999°
    RAAN 68.6386° 326.4630°
    Perigee Argument 270.6941° 270.8321°
    Mean Anomaly (M) 89.3787° 206.5766°
    Apogee 483.804 km 479.377 km
    Perigee 482.326 km 474.945 km
    Orbit Epoch 2026-09-10T04:30:28+0000 2026-09-10T22:00:04+0000

    STARLINK-5509 & STARLINK-34441 Collision Probability (Pc) Trend

    STARLINK-5509 & STARLINK-34441 Collision Probability (Pc) TrendNot Available

    STARLINK-5509 & STARLINK-34441 Miss Distance (Miss Distance) Trend

    STARLINK-5509 & STARLINK-34441 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34441Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34441Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5509

    No nearby objects data