Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.493377E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:59:43+0800
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    1 Object 1

    AOE ID 54835
    NORAD ID 54835
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62678
    NORAD ID 62678
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5389 FLOCK 4G 15
    Time of Closest Approach 2026-09-06T00:52:42+0000
    Collision Probability (Pc) 2.493377E-6
    Conjunction Distance (km) 2.062 km
    Relative Speed (km/s) 13.429 km/s
    Conjunction Risk Parameters R (Radial): 1.723 | I (In-track): -0.545 | C (Cross-track): -0.992
    Collision Risk Index (CRI) 0.43
    X Position (km) -4518.606 -4517.643
    Position Y (km) 3156.319 3154.558
    Position Z (km) -4089.286 -4088.819
    Velocity X (km/s) -5.51 4.369
    Velocity Y (km/s) -4.616 -1.562
    Velocity Z (km/s) 2.528 -6.039

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5389 FLOCK 4G 15
    Semimajor Axis (a) 6861.177 km 6851.292 km
    Eccentricity (e) 0.000172 0.000550
    Inclination (i) 43.0037° 97.3968°
    RAAN 204.0379° 329.2641°
    Perigee Argument 278.3894° 49.9198°
    Mean Anomaly (M) 81.6763° 310.2525°
    Apogee 484.219 km 476.927 km
    Perigee 481.861 km 469.383 km
    Orbit Epoch 2026-09-04T22:28:00+0000 2026-09-04T16:33:37+0000

    STARLINK-5389 & FLOCK 4G 15 Collision Probability (Pc) Trend

    STARLINK-5389 & FLOCK 4G 15 Collision Probability (Pc) TrendNot Available

    STARLINK-5389 & FLOCK 4G 15 Miss Distance (Miss Distance) Trend

    STARLINK-5389 & FLOCK 4G 15 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5389Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5389Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5389

    No nearby objects data