Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.179054E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:59:36+0800
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    1 Object 1

    AOE ID 55426
    NORAD ID 55426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57516
    NORAD ID 57516
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5638 STARLINK-30149
    Time of Closest Approach 2026-10-21T01:40:12+0000
    Collision Probability (Pc) 9.179054E-7
    Conjunction Distance (km) 2.759 km
    Relative Speed (km/s) 6.286 km/s
    Conjunction Risk Parameters R (Radial): 2.473 | I (In-track): 1.114 | C (Cross-track): -0.506
    Collision Risk Index (CRI) 0.34
    X Position (km) -1624.359 -1623.881
    Position Y (km) -4915.195 -4916.793
    Position Z (km) 4490.668 4492.864
    Velocity X (km/s) 4.679 7.405
    Velocity Y (km/s) 3.152 -1.135
    Velocity Z (km/s) 5.132 1.432

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5638 STARLINK-30149
    Semimajor Axis (a) 6855.214 km 6861.207 km
    Eccentricity (e) 0.000320 0.000121
    Inclination (i) 69.9989° 42.9990°
    RAAN 239.1939° 193.8964°
    Perigee Argument 269.5607° 262.1754°
    Mean Anomaly (M) 90.5201° 97.8960°
    Apogee 479.271 km 483.902 km
    Perigee 474.883 km 482.238 km
    Orbit Epoch 2026-10-18T20:06:50+0000 2026-10-19T03:50:19+0000

    STARLINK-5638 & STARLINK-30149 Collision Probability (Pc) Trend

    STARLINK-5638 & STARLINK-30149 Collision Probability (Pc) TrendNot Available

    STARLINK-5638 & STARLINK-30149 Miss Distance (Miss Distance) Trend

    STARLINK-5638 & STARLINK-30149 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30149Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30149Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5638

    No nearby objects data