Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.346393E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:57:38+0800
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    1 Object 1

    AOE ID 54858
    NORAD ID 54858
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64542
    NORAD ID 64542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5407 USPWSA-DRAGOON
    Time of Closest Approach 2026-09-13T18:13:16+0000
    Collision Probability (Pc) 1.346393E-6
    Conjunction Distance (km) 2.836 km
    Relative Speed (km/s) 13.19 km/s
    Conjunction Risk Parameters R (Radial): 2.776 | I (In-track): -0.285 | C (Cross-track): 0.506
    Collision Risk Index (CRI) 0.38
    X Position (km) -5046.714 -5048.678
    Position Y (km) -1743.77 -1743.982
    Position Z (km) 4299.835 4301.869
    Velocity X (km/s) 3.894 -4.879
    Velocity Y (km/s) -6.234 -0.338
    Velocity Z (km/s) 2.038 -5.85

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5407 USPWSA-DRAGOON
    Semimajor Axis (a) 6861.185 km 6862.094 km
    Eccentricity (e) 0.000099 0.000188
    Inclination (i) 43.0018° 97.4778°
    RAAN 155.2328° 9.8067°
    Perigee Argument 263.8523° 205.6138°
    Mean Anomaly (M) 96.2216° 154.5008°
    Apogee 483.730 km 485.246 km
    Perigee 482.366 km 482.668 km
    Orbit Epoch 2026-09-10T22:27:05+0000 2026-09-10T14:07:54+0000

    STARLINK-5407 & USPWSA-DRAGOON Collision Probability (Pc) Trend

    STARLINK-5407 & USPWSA-DRAGOON Collision Probability (Pc) TrendNot Available

    STARLINK-5407 & USPWSA-DRAGOON Miss Distance (Miss Distance) Trend

    STARLINK-5407 & USPWSA-DRAGOON Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5407Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    USPWSA-DRAGOONMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5407Collision Probability Trend

    Object 1 Probability TrendNot Available

    USPWSA-DRAGOONCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5407

    No nearby objects data