Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.638064E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:59:37+0800
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    1 Object 1

    AOE ID 54099
    NORAD ID 54099
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66993
    NORAD ID 66993
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5198 OBJECT A
    Time of Closest Approach 2026-09-12T19:00:22+0000
    Collision Probability (Pc) 1.638064E-6
    Conjunction Distance (km) 2.485 km
    Relative Speed (km/s) 12.924 km/s
    Conjunction Risk Parameters R (Radial): 1.839 | I (In-track): 0.888 | C (Cross-track): -1.415
    Collision Risk Index (CRI) 0.39
    X Position (km) 3315.885 3314.964
    Position Y (km) -2696.954 -2697.741
    Position Z (km) 5429.476 5427.307
    Velocity X (km/s) 5.78 -5.559
    Velocity Y (km/s) 4.795 2.421
    Velocity Z (km/s) -1.145 4.585

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5198 OBJECT A
    Semimajor Axis (a) 6917.911 km 6923.949 km
    Eccentricity (e) 0.000145 0.001622
    Inclination (i) 53.1589° 97.6249°
    RAAN 215.8882° 329.6596°
    Perigee Argument 86.0151° 67.0586°
    Mean Anomaly (M) 274.1007° 293.2350°
    Apogee 540.779 km 557.040 km
    Perigee 538.769 km 534.584 km
    Orbit Epoch 2026-09-12T04:15:13+0000 2026-09-11T18:52:09+0000

    STARLINK-5198 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-5198 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-5198 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-5198 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5198Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5198Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5198

    No nearby objects data