Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.554281E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:49:18+0800
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    1 Object 1

    AOE ID 52850
    NORAD ID 52850
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62646
    NORAD ID 62646
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4187 FLOCK 4G 25
    Time of Closest Approach 2026-10-22T04:11:24+0000
    Collision Probability (Pc) 1.554281E-6
    Conjunction Distance (km) 2.302 km
    Relative Speed (km/s) 9.264 km/s
    Conjunction Risk Parameters R (Radial): 1.906 | I (In-track): -1.029 | C (Cross-track): 0.778
    Collision Risk Index (CRI) 0.39
    X Position (km) -4147.246 -4147.87
    Position Y (km) -1944.713 -1944.369
    Position Z (km) 5082.122 5084.31
    Velocity X (km/s) 0.62 -5.666
    Velocity Y (km/s) -7.264 -1.035
    Velocity Z (km/s) -2.267 -5.007

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4187 FLOCK 4G 25
    Semimajor Axis (a) 6848.864 km 6848.962 km
    Eccentricity (e) 0.000107 0.000168
    Inclination (i) 53.1577° 97.3947°
    RAAN 92.7523° 14.8484°
    Perigee Argument 81.2597° 170.7668°
    Mean Anomaly (M) 278.8525° 189.3604°
    Apogee 471.457 km 471.975 km
    Perigee 469.997 km 469.675 km
    Orbit Epoch 2026-10-19T17:45:44+0000 2026-10-20T04:34:52+0000

    STARLINK-4187 & FLOCK 4G 25 Collision Probability (Pc) Trend

    STARLINK-4187 & FLOCK 4G 25 Collision Probability (Pc) TrendNot Available

    STARLINK-4187 & FLOCK 4G 25 Miss Distance (Miss Distance) Trend

    STARLINK-4187 & FLOCK 4G 25 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4187Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4187Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4187

    No nearby objects data