Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.427136E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T19:47:09+0800
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    1 Object 1

    AOE ID 54179
    NORAD ID 54179
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55631
    NORAD ID 55631
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5122 STARLINK-5558
    Time of Closest Approach 2026-10-18T19:37:52+0000
    Collision Probability (Pc) 9.427136E-7
    Conjunction Distance (km) 2.851 km
    Relative Speed (km/s) 7.122 km/s
    Conjunction Risk Parameters R (Radial): 2.05 | I (In-track): -1.753 | C (Cross-track): 0.921
    Collision Risk Index (CRI) 0.34
    X Position (km) -3570.596 -3570.169
    Position Y (km) 2012.703 2014.481
    Position Z (km) 5466.78 5468.967
    Velocity X (km/s) -3.72 -6.514
    Velocity Y (km/s) -6.672 -1.325
    Velocity Z (km/s) 0.027 -3.757

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5122 STARLINK-5558
    Semimajor Axis (a) 6840.863 km 6842.964 km
    Eccentricity (e) 0.000150 0.000262
    Inclination (i) 53.1589° 70.0007°
    RAAN 66.2656° 1.3726°
    Perigee Argument 85.3622° 262.2131°
    Mean Anomaly (M) 274.7551° 222.9103°
    Apogee 463.751 km 466.617 km
    Perigee 461.701 km 463.037 km
    Orbit Epoch 2026-10-17T16:40:00+0000 2026-10-18T04:00:02+0000

    STARLINK-5122 & STARLINK-5558 Collision Probability (Pc) Trend

    STARLINK-5122 & STARLINK-5558 Collision Probability (Pc) TrendNot Available

    STARLINK-5122 & STARLINK-5558 Miss Distance (Miss Distance) Trend

    STARLINK-5122 & STARLINK-5558 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5122Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5558Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5122Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5558Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5122

    No nearby objects data