Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.178602E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:48:10+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 63974
    NORAD ID 63974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5638 STARLINK-33942
    Time of Closest Approach 2026-10-23T04:15:17+0000
    Collision Probability (Pc) 2.178602E-6
    Conjunction Distance (km) 2.023 km
    Relative Speed (km/s) 10.041 km/s
    Conjunction Risk Parameters R (Radial): 2.015 | I (In-track): -0.132 | C (Cross-track): -0.12
    Collision Risk Index (CRI) 0.42
    X Position (km) 4570.269 4571.661
    Position Y (km) 2666.15 2666.769
    Position Z (km) 4355.62 4356.951
    Velocity X (km/s) 2.053 -4.981
    Velocity Y (km/s) 5.108 5.462
    Velocity Z (km/s) -5.276 1.88

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5638 STARLINK-33942
    Semimajor Axis (a) 6853.666 km 6861.143 km
    Eccentricity (e) 0.000945 0.000250
    Inclination (i) 69.9990° 42.9942°
    RAAN 235.3865° 344.8761°
    Perigee Argument 271.9755° 285.9530°
    Mean Anomaly (M) 88.0337° 74.1046°
    Apogee 482.008 km 484.719 km
    Perigee 469.050 km 481.293 km
    Orbit Epoch 2026-10-20T06:37:40+0000 2026-10-20T05:20:34+0000

    STARLINK-5638 & STARLINK-33942 Collision Probability (Pc) Trend

    STARLINK-5638 & STARLINK-33942 Collision Probability (Pc) TrendNot Available

    STARLINK-5638 & STARLINK-33942 Miss Distance (Miss Distance) Trend

    STARLINK-5638 & STARLINK-33942 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33942Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33942Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5638

    No nearby objects data