Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.238798E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:34:19+0800
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    1 Object 1

    AOE ID 53600
    NORAD ID 53600
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66005
    NORAD ID 66005
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4677 STARLINK-34849
    Time of Closest Approach 2026-10-23T21:04:32+0000
    Collision Probability (Pc) 1.238798E-6
    Conjunction Distance (km) 2.905 km
    Relative Speed (km/s) 12.053 km/s
    Conjunction Risk Parameters R (Radial): 0.606 | I (In-track): 1.749 | C (Cross-track): 2.24
    Collision Risk Index (CRI) 0.37
    X Position (km) 2239.783 2236.908
    Position Y (km) -6285.239 -6285.635
    Position Z (km) 1503.907 1503.777
    Velocity X (km/s) 3.973 4.868
    Velocity Y (km/s) 2.831 0.318
    Velocity Z (km/s) 5.876 -5.877

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4677 STARLINK-34849
    Semimajor Axis (a) 6840.869 km 6840.715 km
    Eccentricity (e) 0.000143 0.000090
    Inclination (i) 53.1569° 53.1565°
    RAAN 296.6507° 133.4714°
    Perigee Argument 85.2711° 67.7734°
    Mean Anomaly (M) 274.8454° 292.3364°
    Apogee 463.710 km 463.196 km
    Perigee 461.754 km 461.960 km
    Orbit Epoch 2026-10-20T07:01:39+0000 2026-10-20T20:27:42+0000

    STARLINK-4677 & STARLINK-34849 Collision Probability (Pc) Trend

    STARLINK-4677 & STARLINK-34849 Collision Probability (Pc) TrendNot Available

    STARLINK-4677 & STARLINK-34849 Miss Distance (Miss Distance) Trend

    STARLINK-4677 & STARLINK-34849 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4677Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34849Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4677Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34849Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4677

    No nearby objects data