Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.501594E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T05:30:48+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59374
    NORAD ID 59374
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-31641
    Time of Closest Approach 2026-10-29T06:25:15+0000
    Collision Probability (Pc) 1.501594E-6
    Conjunction Distance (km) 2.523 km
    Relative Speed (km/s) 11.678 km/s
    Conjunction Risk Parameters R (Radial): -1.174 | I (In-track): 1.436 | C (Cross-track): 1.71
    Collision Risk Index (CRI) 0.39
    X Position (km) 519.678 521.993
    Position Y (km) 6345.905 6346.81
    Position Z (km) -2503.338 -2503.771
    Velocity X (km/s) -4.726 -5.075
    Velocity Y (km/s) 2.526 -1.725
    Velocity Z (km/s) 5.436 -5.435

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-31641
    Semimajor Axis (a) 6837.875 km 6840.994 km
    Eccentricity (e) 0.000131 0.000364
    Inclination (i) 53.1593° 53.1586°
    RAAN 113.7184° 257.4666°
    Perigee Argument 89.8664° 254.7172°
    Mean Anomaly (M) 270.2490° 105.3429°
    Apogee 460.638 km 465.345 km
    Perigee 458.838 km 460.369 km
    Orbit Epoch 2026-10-26T20:44:12+0000 2026-10-27T06:37:21+0000

    STARLINK-4121 & STARLINK-31641 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-31641 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-31641 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-31641 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31641Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31641Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data