Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.223812E-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 68861
    NORAD ID 68861
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4539 STARLINK-37479
    Time of Closest Approach 2026-09-05T15:36:28+0000
    Collision Probability (Pc) 1.223812E-6
    Conjunction Distance (km) 2.994 km
    Relative Speed (km/s) 12.584 km/s
    Conjunction Risk Parameters R (Radial): -2.993 | I (In-track): 0.034 | C (Cross-track): -0.055
    Collision Risk Index (CRI) 0.37
    X Position (km) -123.305 -123.293
    Position Y (km) 4151.831 4150.053
    Position Z (km) 5435.609 5433.2
    Velocity X (km/s) -7.511 1.418
    Velocity Y (km/s) -1.166 5.983
    Velocity Z (km/s) 0.719 -4.526

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4539 STARLINK-37479
    Semimajor Axis (a) 6848.866 km 6843.680 km
    Eccentricity (e) 0.000122 0.000138
    Inclination (i) 53.1626° 97.2846°
    RAAN 21.4646° 260.1130°
    Perigee Argument 85.4157° 99.0912°
    Mean Anomaly (M) 274.6983° 261.0487°
    Apogee 471.564 km 466.486 km
    Perigee 469.894 km 464.600 km
    Orbit Epoch 2026-09-03T19:23:54+0000 2026-09-03T16:04:27+0000

    STARLINK-4539 & STARLINK-37479 Collision Probability (Pc) Trend

    STARLINK-4539 & STARLINK-37479 Collision Probability (Pc) TrendNot Available

    STARLINK-4539 & STARLINK-37479 Miss Distance (Miss Distance) Trend

    STARLINK-4539 & STARLINK-37479 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37479Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4539Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37479Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4539

    No nearby objects data