Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.711446E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:59:53+0800
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    1 Object 1

    AOE ID 53672
    NORAD ID 53672
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67677
    NORAD ID 67677
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-4428 COSMOS 2603
    Time of Closest Approach 2026-10-20T17:45:48+0000
    Collision Probability (Pc) 7.711446E-6
    Conjunction Distance (km) 1.445 km
    Relative Speed (km/s) 15.114 km/s
    Conjunction Risk Parameters R (Radial): -1.264 | I (In-track): 0.093 | C (Cross-track): -0.69
    Collision Risk Index (CRI) 0.53
    X Position (km) -6187.604 -6188.939
    Position Y (km) 1834.041 1833.71
    Position Z (km) 2343.805 2344.244
    Velocity X (km/s) 2.774 -2.23
    Velocity Y (km/s) 0.249 1.634
    Velocity Z (km/s) 7.095 -7.099

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4428 COSMOS 2603
    Semimajor Axis (a) 6866.769 km 6863.371 km
    Eccentricity (e) 0.000195 0.001745
    Inclination (i) 97.2833° 96.6163°
    RAAN 165.2690° 339.7759°
    Perigee Argument 78.7241° 56.0123°
    Mean Anomaly (M) 4.2061° 304.2773°
    Apogee 489.974 km 497.212 km
    Perigee 487.290 km 473.256 km
    Orbit Epoch 2026-10-19T20:00:04+0000 2026-10-19T06:27:51+0000

    STARLINK-4428 & COSMOS 2603 Collision Probability (Pc) Trend

    STARLINK-4428 & COSMOS 2603 Collision Probability (Pc) TrendNot Available

    STARLINK-4428 & COSMOS 2603 Miss Distance (Miss Distance) Trend

    STARLINK-4428 & COSMOS 2603 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4428Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2603Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4428Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2603Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4428

    No nearby objects data