Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.490988E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T07:36:33+0800
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    1 Object 1

    AOE ID 48399
    NORAD ID 48399
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62681
    NORAD ID 62681
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2587 FLOCK 4G 17
    Time of Closest Approach 2026-09-07T04:54:43+0000
    Collision Probability (Pc) 5.490988E-6
    Conjunction Distance (km) 1.56 km
    Relative Speed (km/s) 13.282 km/s
    Conjunction Risk Parameters R (Radial): 1.306 | I (In-track): 0.428 | C (Cross-track): 0.739
    Collision Risk Index (CRI) 0.5
    X Position (km) 3428.291 3429.003
    Position Y (km) -2669.246 -2668.981
    Position Z (km) 5284.162 5285.525
    Velocity X (km/s) 5.961 -5.511
    Velocity Y (km/s) 4.497 2.331
    Velocity Z (km/s) -1.592 4.741

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2587 FLOCK 4G 17
    Semimajor Axis (a) 6848.889 km 6851.008 km
    Eccentricity (e) 0.000146 0.000570
    Inclination (i) 53.1599° 97.3872°
    RAAN 219.7889° 328.1816°
    Perigee Argument 91.5485° 63.9095°
    Mean Anomaly (M) 268.5684° 296.2733°
    Apogee 471.754 km 476.779 km
    Perigee 469.750 km 468.963 km
    Orbit Epoch 2026-09-04T15:22:52+0000 2026-09-04T04:32:01+0000

    STARLINK-2587 & FLOCK 4G 17 Collision Probability (Pc) Trend

    STARLINK-2587 & FLOCK 4G 17 Collision Probability (Pc) TrendNot Available

    STARLINK-2587 & FLOCK 4G 17 Miss Distance (Miss Distance) Trend

    STARLINK-2587 & FLOCK 4G 17 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2587Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2587Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2587

    No nearby objects data