Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.624927E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:20:34+0800
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    1 Object 1

    AOE ID 53391
    NORAD ID 53391
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62670
    NORAD ID 62670
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4521 FLOCK 4G 10
    Time of Closest Approach 2026-10-25T03:11:56+0000
    Collision Probability (Pc) 1.624927E-6
    Conjunction Distance (km) 2.562 km
    Relative Speed (km/s) 13.953 km/s
    Conjunction Risk Parameters R (Radial): 1.79 | I (In-track): -0.726 | C (Cross-track): -1.682
    Collision Risk Index (CRI) 0.39
    X Position (km) 4356.348 4357.49
    Position Y (km) 2135.848 2134.727
    Position Z (km) -4841.662 -4843.661
    Velocity X (km/s) -5.409 5.362
    Velocity Y (km/s) 4.54 1.086
    Velocity Z (km/s) -2.866 5.302

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4521 FLOCK 4G 10
    Semimajor Axis (a) 6848.865 km 6848.897 km
    Eccentricity (e) 0.000132 0.000327
    Inclination (i) 53.1590° 97.3855°
    RAAN 163.9667° 17.3016°
    Perigee Argument 77.9497° 217.1904°
    Mean Anomaly (M) 282.1652° 142.9112°
    Apogee 471.634 km 472.997 km
    Perigee 469.822 km 468.523 km
    Orbit Epoch 2026-10-23T18:49:37+0000 2026-10-23T18:28:17+0000

    STARLINK-4521 & FLOCK 4G 10 Collision Probability (Pc) Trend

    STARLINK-4521 & FLOCK 4G 10 Collision Probability (Pc) TrendNot Available

    STARLINK-4521 & FLOCK 4G 10 Miss Distance (Miss Distance) Trend

    STARLINK-4521 & FLOCK 4G 10 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 10Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4521Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 10Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4521

    No nearby objects data