Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.007083E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T06:53:19+0800
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    1 Object 1

    AOE ID 52617
    NORAD ID 52617
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54175
    NORAD ID 54175
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3996 STARLINK-5256
    Time of Closest Approach 2026-10-17T04:02:09+0000
    Collision Probability (Pc) 1.007083E-6
    Conjunction Distance (km) 2.806 km
    Relative Speed (km/s) 7.731 km/s
    Conjunction Risk Parameters R (Radial): 2.709 | I (In-track): -0.627 | C (Cross-track): 0.377
    Collision Risk Index (CRI) 0.35
    X Position (km) -2379.3 -2378.994
    Position Y (km) 4114.979 4112.987
    Position Z (km) 4913.546 4911.594
    Velocity X (km/s) -7.095 -4.311
    Velocity Y (km/s) -0.89 -5.707
    Velocity Z (km/s) -2.683 2.684

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3996 STARLINK-5256
    Semimajor Axis (a) 6843.367 km 6840.866 km
    Eccentricity (e) 0.000131 0.000154
    Inclination (i) 53.1615° 53.1626°
    RAAN 353.6735° 74.1757°
    Perigee Argument 84.4583° 81.9922°
    Mean Anomaly (M) 275.6568° 278.1256°
    Apogee 466.129 km 463.786 km
    Perigee 464.331 km 461.672 km
    Orbit Epoch 2026-10-16T13:27:19+0000 2026-10-16T02:44:48+0000

    STARLINK-3996 & STARLINK-5256 Collision Probability (Pc) Trend

    STARLINK-3996 & STARLINK-5256 Collision Probability (Pc) TrendNot Available

    STARLINK-3996 & STARLINK-5256 Miss Distance (Miss Distance) Trend

    STARLINK-3996 & STARLINK-5256 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3996Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5256Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3996Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5256Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3996

    No nearby objects data