Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.588597E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T05:33:31+0800
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    1 Object 1

    AOE ID 52704
    NORAD ID 52704
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59386
    NORAD ID 59386
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3999 STARLINK-31688
    Time of Closest Approach 2026-10-30T04:31:09+0000
    Collision Probability (Pc) 1.588597E-6
    Conjunction Distance (km) 2.297 km
    Relative Speed (km/s) 9.548 km/s
    Conjunction Risk Parameters R (Radial): -1.719 | I (In-track): 1.186 | C (Cross-track): 0.956
    Collision Risk Index (CRI) 0.39
    X Position (km) -1137.741 -1136.54
    Position Y (km) 5136.627 5138.245
    Position Z (km) -4375.615 -4376.717
    Velocity X (km/s) -6.469 -5.15
    Velocity Y (km/s) 1.692 -4.265
    Velocity Z (km/s) 3.672 -3.671

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3999 STARLINK-31688
    Semimajor Axis (a) 6837.860 km 6840.931 km
    Eccentricity (e) 0.000114 0.000134
    Inclination (i) 53.1595° 53.1585°
    RAAN 155.9568° 258.1035°
    Perigee Argument 83.4535° 263.0088°
    Mean Anomaly (M) 276.6597° 97.0762°
    Apogee 460.500 km 463.712 km
    Perigee 458.946 km 461.876 km
    Orbit Epoch 2026-10-27T00:12:01+0000 2026-10-27T03:35:48+0000

    STARLINK-3999 & STARLINK-31688 Collision Probability (Pc) Trend

    STARLINK-3999 & STARLINK-31688 Collision Probability (Pc) TrendNot Available

    STARLINK-3999 & STARLINK-31688 Miss Distance (Miss Distance) Trend

    STARLINK-3999 & STARLINK-31688 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3999Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31688Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3999Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31688Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3999

    No nearby objects data