Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.313402E-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 62652
    NORAD ID 62652
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5643 FLOCK 4G 31
    Time of Closest Approach 2026-11-01T12:37:39+0000
    Collision Probability (Pc) 3.313402E-6
    Conjunction Distance (km) 1.903 km
    Relative Speed (km/s) 15.152 km/s
    Conjunction Risk Parameters R (Radial): -1.846 | I (In-track): -0.058 | C (Cross-track): -0.453
    Collision Risk Index (CRI) 0.45
    X Position (km) 5820.539 5819.159
    Position Y (km) 3158.875 3157.62
    Position Z (km) -1774.565 -1774.19
    Velocity X (km/s) -2.907 2.197
    Velocity Y (km/s) 1.493 0.038
    Velocity Z (km/s) -6.89 7.302

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 FLOCK 4G 31
    Semimajor Axis (a) 6852.709 km 6848.217 km
    Eccentricity (e) 0.000301 0.000203
    Inclination (i) 69.9994° 97.3883°
    RAAN 206.6167° 25.1925°
    Perigee Argument 265.7927° 145.6513°
    Mean Anomaly (M) 94.2905° 214.4860°
    Apogee 476.634 km 471.469 km
    Perigee 472.510 km 468.691 km
    Orbit Epoch 2026-10-31T02:49:57+0000 2026-10-31T05:20:25+0000

    STARLINK-5643 & FLOCK 4G 31 Collision Probability (Pc) Trend

    STARLINK-5643 & FLOCK 4G 31 Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & FLOCK 4G 31 Miss Distance (Miss Distance) Trend

    STARLINK-5643 & FLOCK 4G 31 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 31Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 31Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data