Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.283727E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:17:53+0800
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    1 Object 1

    AOE ID 53251
    NORAD ID 53251
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55942
    NORAD ID 55942
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4129 STARLINK-5917
    Time of Closest Approach 2026-10-22T03:37:26+0000
    Collision Probability (Pc) 5.283727E-5
    Conjunction Distance (km) 0.801 km
    Relative Speed (km/s) 13.34 km/s
    Conjunction Risk Parameters R (Radial): 0.287 | I (In-track): 0.374 | C (Cross-track): -0.647
    Collision Risk Index (CRI) 0.69
    X Position (km) -2642.361 -2641.8
    Position Y (km) -6141.942 -6142.511
    Position Z (km) 1442.945 1442.905
    Velocity X (km/s) 4.808 1.855
    Velocity Y (km/s) -0.674 -2.446
    Velocity Z (km/s) 5.896 -6.992

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4129 STARLINK-5917
    Semimajor Axis (a) 6840.905 km 6854.609 km
    Eccentricity (e) 0.000133 0.000395
    Inclination (i) 53.1593° 70.0002°
    RAAN 250.8249° 77.3894°
    Perigee Argument 100.2302° 275.8440°
    Mean Anomaly (M) 259.8851° 69.9662°
    Apogee 463.679 km 479.177 km
    Perigee 461.857 km 473.767 km
    Orbit Epoch 2026-10-19T06:46:25+0000 2026-10-19T20:00:04+0000

    STARLINK-4129 & STARLINK-5917 Collision Probability (Pc) Trend

    STARLINK-4129 & STARLINK-5917 Collision Probability (Pc) TrendNot Available

    STARLINK-4129 & STARLINK-5917 Miss Distance (Miss Distance) Trend

    STARLINK-4129 & STARLINK-5917 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4129Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5917Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4129Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5917Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4129

    No nearby objects data