Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.372062E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T04:11:13+0800
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    1 Object 1

    AOE ID 54859
    NORAD ID 54859
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59890
    NORAD ID 59890
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5409 STARLINK-31951
    Time of Closest Approach 2026-10-27T07:59:20+0000
    Collision Probability (Pc) 1.372062E-5
    Conjunction Distance (km) 0.654 km
    Relative Speed (km/s) 0.318 km/s
    Conjunction Risk Parameters R (Radial): 0.548 | I (In-track): -0.356 | C (Cross-track): -0.008
    Collision Risk Index (CRI) 0.58
    X Position (km) 4851.763 4852.06
    Position Y (km) -1274.431 -1274.878
    Position Z (km) 4672.892 4673.264
    Velocity X (km/s) 2.045 1.835
    Velocity Y (km/s) 7.346 7.401
    Velocity Z (km/s) -0.119 0.114

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5409 STARLINK-31951
    Semimajor Axis (a) 6861.223 km 6860.403 km
    Eccentricity (e) 0.000204 0.000385
    Inclination (i) 43.0039° 43.0026°
    RAAN 259.4932° 262.9894°
    Perigee Argument 292.7918° 270.8702°
    Mean Anomaly (M) 67.2719° 89.1708°
    Apogee 484.483 km 484.910 km
    Perigee 481.689 km 479.622 km
    Orbit Epoch 2026-10-26T06:28:58+0000 2026-10-26T06:29:54+0000

    STARLINK-5409 & STARLINK-31951 Collision Probability (Pc) Trend

    STARLINK-5409 & STARLINK-31951 Collision Probability (Pc) TrendNot Available

    STARLINK-5409 & STARLINK-31951 Miss Distance (Miss Distance) Trend

    STARLINK-5409 & STARLINK-31951 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5409Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31951Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5409Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31951Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5409

    No nearby objects data