Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.435835E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:51:35+0800
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    1 Object 1

    AOE ID 55342
    NORAD ID 55342
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58669
    NORAD ID 58669
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5657 STARLINK-31128
    Time of Closest Approach 2026-10-22T05:53:59+0000
    Collision Probability (Pc) 1.435835E-6
    Conjunction Distance (km) 2.443 km
    Relative Speed (km/s) 9.824 km/s
    Conjunction Risk Parameters R (Radial): 0.52 | I (In-track): -1.819 | C (Cross-track): 1.545
    Collision Risk Index (CRI) 0.38
    X Position (km) -571.672 -569.251
    Position Y (km) -6530.237 -6529.953
    Position Z (km) 2018.82 2018.658
    Velocity X (km/s) 5.687 5.939
    Velocity Y (km/s) -1.954 0.939
    Velocity Z (km/s) -4.692 4.693

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5657 STARLINK-31128
    Semimajor Axis (a) 6861.113 km 6861.201 km
    Eccentricity (e) 0.000185 0.000077
    Inclination (i) 42.9992° 43.0037°
    RAAN 118.1241° 262.3716°
    Perigee Argument 262.4328° 273.7021°
    Mean Anomaly (M) 97.6313° 86.3742°
    Apogee 484.244 km 483.593 km
    Perigee 481.708 km 482.535 km
    Orbit Epoch 2026-10-19T19:09:56+0000 2026-10-19T07:10:16+0000

    STARLINK-5657 & STARLINK-31128 Collision Probability (Pc) Trend

    STARLINK-5657 & STARLINK-31128 Collision Probability (Pc) TrendNot Available

    STARLINK-5657 & STARLINK-31128 Miss Distance (Miss Distance) Trend

    STARLINK-5657 & STARLINK-31128 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5657

    No nearby objects data