Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.49604E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T19:48:55+0800
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    1 Object 1

    AOE ID 47816
    NORAD ID 47816
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62680
    NORAD ID 62680
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2399 FLOCK 4G 18
    Time of Closest Approach 2026-10-22T16:51:58+0000
    Collision Probability (Pc) 1.49604E-4
    Conjunction Distance (km) 0.538 km
    Relative Speed (km/s) 11.658 km/s
    Conjunction Risk Parameters R (Radial): 0.23 | I (In-track): 0.311 | C (Cross-track): -0.373
    Collision Risk Index (CRI) 0.78
    X Position (km) 4060.636 4060.843
    Position Y (km) 557.847 557.574
    Position Z (km) 5455.618 5455.204
    Velocity X (km/s) -1.352 -5.694
    Velocity Y (km/s) 7.52 -2.434
    Velocity Z (km/s) 0.237 4.476

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2399 FLOCK 4G 18
    Semimajor Axis (a) 6831.790 km 6825.858 km
    Eccentricity (e) 0.000104 0.000435
    Inclination (i) 53.1597° 97.3919°
    RAAN 284.0466° 16.8395°
    Perigee Argument 65.1298° 224.4183°
    Mean Anomaly (M) 293.8616° 135.6715°
    Apogee 454.363 km 450.689 km
    Perigee 452.943 km 444.753 km
    Orbit Epoch 2026-10-22T04:00:02+0000 2026-10-21T18:47:39+0000

    STARLINK-2399 & FLOCK 4G 18 Collision Probability (Pc) Trend

    STARLINK-2399 & FLOCK 4G 18 Collision Probability (Pc) TrendNot Available

    STARLINK-2399 & FLOCK 4G 18 Miss Distance (Miss Distance) Trend

    STARLINK-2399 & FLOCK 4G 18 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2399Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2399

    No nearby objects data