Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.776298E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:30:25+0800
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    1 Object 1

    AOE ID 53184
    NORAD ID 53184
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62645
    NORAD ID 62645
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4257 FLOCK 4G 22
    Time of Closest Approach 2026-10-21T13:31:48+0000
    Collision Probability (Pc) 1.776298E-6
    Conjunction Distance (km) 2.47 km
    Relative Speed (km/s) 14.539 km/s
    Conjunction Risk Parameters R (Radial): 1.731 | I (In-track): 0.528 | C (Cross-track): -1.68
    Collision Risk Index (CRI) 0.4
    X Position (km) -5522.165 -5523.387
    Position Y (km) -2062.055 -2064.191
    Position Z (km) 3478.876 3479.073
    Velocity X (km/s) 4.476 -3.999
    Velocity Y (km/s) -4.002 -0.278
    Velocity Z (km/s) 4.716 -6.495

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4257 FLOCK 4G 22
    Semimajor Axis (a) 6848.879 km 6849.468 km
    Eccentricity (e) 0.000149 0.000216
    Inclination (i) 53.1588° 97.3932°
    RAAN 185.7943° 13.7249°
    Perigee Argument 91.3691° 173.5954°
    Mean Anomaly (M) 268.7481° 186.5315°
    Apogee 471.766 km 472.814 km
    Perigee 469.718 km 469.848 km
    Orbit Epoch 2026-10-19T01:51:02+0000 2026-10-19T04:25:51+0000

    STARLINK-4257 & FLOCK 4G 22 Collision Probability (Pc) Trend

    STARLINK-4257 & FLOCK 4G 22 Collision Probability (Pc) TrendNot Available

    STARLINK-4257 & FLOCK 4G 22 Miss Distance (Miss Distance) Trend

    STARLINK-4257 & FLOCK 4G 22 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 22Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4257Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 22Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4257

    No nearby objects data