Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.060368E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T20:44:23+0800
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    1 Object 1

    AOE ID 55283
    NORAD ID 55283
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66721
    NORAD ID 66721
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5317 FLOCK 4H 18
    Time of Closest Approach 2026-10-23T12:39:21+0000
    Collision Probability (Pc) 2.060368E-5
    Conjunction Distance (km) 1.088 km
    Relative Speed (km/s) 15.13 km/s
    Conjunction Risk Parameters R (Radial): -0.851 | I (In-track): -0.074 | C (Cross-track): -0.672
    Collision Risk Index (CRI) 0.61
    X Position (km) -6821.285 -6822.038
    Position Y (km) -919.279 -920.044
    Position Z (km) -117.523 -117.698
    Velocity X (km/s) 0.232 -0.01
    Velocity Y (km/s) -2.595 0.988
    Velocity Z (km/s) 7.152 -7.546

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5317 FLOCK 4H 18
    Semimajor Axis (a) 6881.981 km 6880.490 km
    Eccentricity (e) 0.000273 0.000250
    Inclination (i) 69.9986° 97.4067°
    RAAN 191.3642° 6.0290°
    Perigee Argument 277.5688° 319.9893°
    Mean Anomaly (M) 290.7891° 40.1158°
    Apogee 505.726 km 504.074 km
    Perigee 501.962 km 500.632 km
    Orbit Epoch 2026-10-22T06:00:03+0000 2026-10-21T17:14:14+0000

    STARLINK-5317 & FLOCK 4H 18 Collision Probability (Pc) Trend

    STARLINK-5317 & FLOCK 4H 18 Collision Probability (Pc) TrendNot Available

    STARLINK-5317 & FLOCK 4H 18 Miss Distance (Miss Distance) Trend

    STARLINK-5317 & FLOCK 4H 18 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5317Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5317Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5317

    No nearby objects data