Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.136013E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:05:53+0800
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    1 Object 1

    AOE ID 53423
    NORAD ID 53423
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68819
    NORAD ID 68819
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4539 STARLINK-37409
    Time of Closest Approach 2026-09-06T11:10:39+0000
    Collision Probability (Pc) 1.136013E-6
    Conjunction Distance (km) 2.978 km
    Relative Speed (km/s) 10.913 km/s
    Conjunction Risk Parameters R (Radial): -2.67 | I (In-track): -0.912 | C (Cross-track): 0.95
    Collision Risk Index (CRI) 0.36
    X Position (km) -298.761 -299.428
    Position Y (km) -4170.997 -4170.189
    Position Z (km) -5431.155 -5428.368
    Velocity X (km/s) 7.551 -1.157
    Velocity Y (km/s) 0.564 6.002
    Velocity Z (km/s) -0.849 -4.549

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4539 STARLINK-37409
    Semimajor Axis (a) 6848.866 km 6843.723 km
    Eccentricity (e) 0.000122 0.000179
    Inclination (i) 53.1626° 97.2854°
    RAAN 21.4646° 92.1967°
    Perigee Argument 85.4157° 76.5785°
    Mean Anomaly (M) 274.6983° 283.5657°
    Apogee 471.564 km 466.815 km
    Perigee 469.894 km 464.357 km
    Orbit Epoch 2026-09-03T19:23:54+0000 2026-09-03T03:51:34+0000

    STARLINK-4539 & STARLINK-37409 Collision Probability (Pc) Trend

    STARLINK-4539 & STARLINK-37409 Collision Probability (Pc) TrendNot Available

    STARLINK-4539 & STARLINK-37409 Miss Distance (Miss Distance) Trend

    STARLINK-4539 & STARLINK-37409 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37409Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4539Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37409Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4539

    No nearby objects data