Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.28248E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T05:51:17+0800
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    1 Object 1

    AOE ID 55431
    NORAD ID 55431
    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-5643 FLOCK 4G 25
    Time of Closest Approach 2026-11-02T23:13:56+0000
    Collision Probability (Pc) 3.28248E-6
    Conjunction Distance (km) 1.908 km
    Relative Speed (km/s) 15.102 km/s
    Conjunction Risk Parameters R (Radial): -0.636 | I (In-track): -0.254 | C (Cross-track): -1.779
    Collision Risk Index (CRI) 0.45
    X Position (km) 4668.968 4669.25
    Position Y (km) 3128.071 3126.186
    Position Z (km) -3928.526 -3928.581
    Velocity X (km/s) -5.066 4.246
    Velocity Y (km/s) 0.434 1.403
    Velocity Z (km/s) -5.678 6.17

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 FLOCK 4G 25
    Semimajor Axis (a) 6852.709 km 6848.390 km
    Eccentricity (e) 0.000301 0.000249
    Inclination (i) 69.9994° 97.3929°
    RAAN 206.6167° 25.8638°
    Perigee Argument 265.7927° 146.1407°
    Mean Anomaly (M) 94.2905° 213.9994°
    Apogee 476.634 km 471.956 km
    Perigee 472.510 km 468.550 km
    Orbit Epoch 2026-10-31T02:49:57+0000 2026-10-31T05:32:33+0000

    STARLINK-5643 & FLOCK 4G 25 Collision Probability (Pc) Trend

    STARLINK-5643 & FLOCK 4G 25 Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & FLOCK 4G 25 Miss Distance (Miss Distance) Trend

    STARLINK-5643 & FLOCK 4G 25 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss 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-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data