Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.399973E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:53:45+0800
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    1 Object 1

    AOE ID 55373
    NORAD ID 55373
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67053
    NORAD ID 67053
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5581 STARLINK-35739
    Time of Closest Approach 2026-09-13T08:47:39+0000
    Collision Probability (Pc) 8.399973E-7
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 6.426 km/s
    Conjunction Risk Parameters R (Radial): 0.201 | I (In-track): 2.709 | C (Cross-track): -1.263
    Collision Risk Index (CRI) 0.33
    X Position (km) 1904.086 1906.948
    Position Y (km) -5198.094 -5197.216
    Position Z (km) -4056.733 -4056.854
    Velocity X (km/s) 7.141 5.833
    Velocity Y (km/s) 0.594 4.162
    Velocity Z (km/s) 2.592 -2.591

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5581 STARLINK-35739
    Semimajor Axis (a) 6861.199 km 6861.184 km
    Eccentricity (e) 0.000174 0.000159
    Inclination (i) 43.0050° 43.0008°
    RAAN 353.7142° 78.4974°
    Perigee Argument 266.8533° 270.8215°
    Mean Anomaly (M) 93.2120° 89.2455°
    Apogee 484.254 km 484.138 km
    Perigee 481.870 km 481.956 km
    Orbit Epoch 2026-09-11T06:50:23+0000 2026-09-09T19:00:37+0000

    STARLINK-5581 & STARLINK-35739 Collision Probability (Pc) Trend

    STARLINK-5581 & STARLINK-35739 Collision Probability (Pc) TrendNot Available

    STARLINK-5581 & STARLINK-35739 Miss Distance (Miss Distance) Trend

    STARLINK-5581 & STARLINK-35739 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5581Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35739Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5581Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35739Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5581

    No nearby objects data