Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.587632E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:15:33+0800
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    1 Object 1

    AOE ID 55757
    NORAD ID 55757
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64872
    NORAD ID 64872
    Object Type PAYLOAD
    Country
    AU AU

    Conjunction Constraints

    Parameter STARLINK-5544 SKYCRAFT 4B
    Time of Closest Approach 2026-09-12T12:02:15+0000
    Collision Probability (Pc) 1.587632E-6
    Conjunction Distance (km) 2.67 km
    Relative Speed (km/s) 15.046 km/s
    Conjunction Risk Parameters R (Radial): 2.111 | I (In-track): -0.201 | C (Cross-track): 1.622
    Collision Risk Index (CRI) 0.39
    X Position (km) -5070.419 -5070.859
    Position Y (km) 4022.595 4024.964
    Position Z (km) 2532.952 2534.101
    Velocity X (km/s) 0.289 -1.474
    Velocity Y (km/s) -3.779 2.553
    Velocity Z (km/s) 6.559 -6.975

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5544 SKYCRAFT 4B
    Semimajor Axis (a) 6950.194 km 6949.695 km
    Eccentricity (e) 0.000270 0.000418
    Inclination (i) 69.9993° 97.6602°
    RAAN 136.9223° 317.3961°
    Perigee Argument 269.8175° 356.8347°
    Mean Anomaly (M) 90.2674° 3.2849°
    Apogee 573.935 km 574.465 km
    Perigee 570.179 km 568.651 km
    Orbit Epoch 2026-09-11T02:17:21+0000 2026-09-11T08:05:22+0000

    STARLINK-5544 & SKYCRAFT 4B Collision Probability (Pc) Trend

    STARLINK-5544 & SKYCRAFT 4B Collision Probability (Pc) TrendNot Available

    STARLINK-5544 & SKYCRAFT 4B Miss Distance (Miss Distance) Trend

    STARLINK-5544 & SKYCRAFT 4B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5544Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SKYCRAFT 4BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5544Collision Probability Trend

    Object 1 Probability TrendNot Available

    SKYCRAFT 4BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5544

    No nearby objects data