Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.619621E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:33:13+0800
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    1 Object 1

    AOE ID 56143
    NORAD ID 56143
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66723
    NORAD ID 66723
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5016 FLOCK 4H 20
    Time of Closest Approach 2026-09-12T12:38:43+0000
    Collision Probability (Pc) 1.619621E-6
    Conjunction Distance (km) 2.55 km
    Relative Speed (km/s) 13.696 km/s
    Conjunction Risk Parameters R (Radial): -0.438 | I (In-track): -1.097 | C (Cross-track): -2.258
    Collision Risk Index (CRI) 0.39
    X Position (km) 4619.599 4618.705
    Position Y (km) -3435.81 -3437.712
    Position Z (km) 3755.966 3754.522
    Velocity X (km/s) 5.601 -4.005
    Velocity Y (km/s) 4.128 1.518
    Velocity Z (km/s) -3.107 6.299

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5016 FLOCK 4H 20
    Semimajor Axis (a) 6882.541 km 6877.683 km
    Eccentricity (e) 0.000513 0.000300
    Inclination (i) 42.9982° 97.4155°
    RAAN 194.9034° 326.8444°
    Perigee Argument 147.8401° 35.3005°
    Mean Anomaly (M) 212.2761° 324.8429°
    Apogee 507.932 km 501.609 km
    Perigee 500.876 km 497.483 km
    Orbit Epoch 2026-09-11T06:08:09+0000 2026-09-11T03:21:57+0000

    STARLINK-5016 & FLOCK 4H 20 Collision Probability (Pc) Trend

    STARLINK-5016 & FLOCK 4H 20 Collision Probability (Pc) TrendNot Available

    STARLINK-5016 & FLOCK 4H 20 Miss Distance (Miss Distance) Trend

    STARLINK-5016 & FLOCK 4H 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5016Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5016Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5016

    No nearby objects data