Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.488122E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:02:58+0800
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    1 Object 1

    AOE ID 45693
    NORAD ID 45693
    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-1417 FLOCK 4H 20
    Time of Closest Approach 2026-09-11T18:31:21+0000
    Collision Probability (Pc) 2.488122E-6
    Conjunction Distance (km) 1.795 km
    Relative Speed (km/s) 7.532 km/s
    Conjunction Risk Parameters R (Radial): -1.41 | I (In-track): -0.959 | C (Cross-track): 0.556
    Collision Risk Index (CRI) 0.43
    X Position (km) -4239.807 -4239.21
    Position Y (km) 3362.146 3362.153
    Position Z (km) -4261.384 -4259.692
    Velocity X (km/s) -1.245 4.409
    Velocity Y (km/s) -6.439 -1.903
    Velocity Z (km/s) -3.847 -5.894

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1417 FLOCK 4H 20
    Semimajor Axis (a) 6881.021 km 6877.683 km
    Eccentricity (e) 0.000394 0.000300
    Inclination (i) 53.0471° 97.4155°
    RAAN 288.1365° 326.8444°
    Perigee Argument 76.0008° 35.3005°
    Mean Anomaly (M) 284.1425° 324.8429°
    Apogee 505.595 km 501.609 km
    Perigee 500.173 km 497.483 km
    Orbit Epoch 2026-09-11T03:19:11+0000 2026-09-11T03:21:57+0000

    STARLINK-1417 & FLOCK 4H 20 Collision Probability (Pc) Trend

    STARLINK-1417 & FLOCK 4H 20 Collision Probability (Pc) TrendNot Available

    STARLINK-1417 & FLOCK 4H 20 Miss Distance (Miss Distance) Trend

    STARLINK-1417 & FLOCK 4H 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1417Miss 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-1417Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1417

    No nearby objects data