Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.51453E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T10:44:53+0800
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    1 Object 1

    AOE ID 55431
    NORAD ID 55431
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67678
    NORAD ID 67678
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-5643 COSMOS 2604
    Time of Closest Approach 2026-11-02T05:30:51+0000
    Collision Probability (Pc) 2.51453E-6
    Conjunction Distance (km) 2.103 km
    Relative Speed (km/s) 14.695 km/s
    Conjunction Risk Parameters R (Radial): -1.054 | I (In-track): -0.493 | C (Cross-track): 1.751
    Collision Risk Index (CRI) 0.43
    X Position (km) 3109.585 3109.873
    Position Y (km) -1143.367 -1141.787
    Position Z (km) 5993.162 5994.519
    Velocity X (km/s) 6.293 -6.713
    Velocity Y (km/s) 3.434 0.532
    Velocity Z (km/s) -2.605 3.589

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 COSMOS 2604
    Semimajor Axis (a) 6852.708 km 6860.925 km
    Eccentricity (e) 0.000298 0.001728
    Inclination (i) 69.9997° 96.6017°
    RAAN 205.7516° 350.0695°
    Perigee Argument 266.9499° 9.4098°
    Mean Anomaly (M) 93.1336° 350.7463°
    Apogee 476.613 km 494.646 km
    Perigee 472.529 km 470.930 km
    Orbit Epoch 2026-10-31T10:40:33+0000 2026-10-31T02:56:26+0000

    STARLINK-5643 & COSMOS 2604 Collision Probability (Pc) Trend

    STARLINK-5643 & COSMOS 2604 Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & COSMOS 2604 Miss Distance (Miss Distance) Trend

    STARLINK-5643 & COSMOS 2604 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2604Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2604Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data