Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.132878E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:57:12+0800
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    1 Object 1

    AOE ID 44424
    NORAD ID 44424
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 59795
    NORAD ID 59795
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2538 STARLINK-31916
    Time of Closest Approach 2026-10-21T03:08:03+0000
    Collision Probability (Pc) 9.132878E-7
    Conjunction Distance (km) 2.902 km
    Relative Speed (km/s) 6.997 km/s
    Conjunction Risk Parameters R (Radial): -2.884 | I (In-track): -0.281 | C (Cross-track): -0.141
    Collision Risk Index (CRI) 0.34
    X Position (km) 6636.117 6638.885
    Position Y (km) 1725.931 1726.765
    Position Z (km) -128.384 -128.142
    Velocity X (km/s) 0.398 -1.315
    Velocity Y (km/s) -0.937 5.42
    Velocity Z (km/s) 7.57 5.201

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 STARLINK-31916
    Semimajor Axis (a) 6878.319 km 6861.178 km
    Eccentricity (e) 0.004005 0.000041
    Inclination (i) 97.5795° 43.0008°
    RAAN 13.1112° 26.0705°
    Perigee Argument 331.7219° 286.8486°
    Mean Anomaly (M) 28.1842° 73.2321°
    Apogee 527.727 km 483.322 km
    Perigee 472.637 km 482.760 km
    Orbit Epoch 2026-10-19T19:34:45+0000 2026-10-19T07:12:05+0000

    COSMOS 2538 & STARLINK-31916 Collision Probability (Pc) Trend

    COSMOS 2538 & STARLINK-31916 Collision Probability (Pc) TrendNot Available

    COSMOS 2538 & STARLINK-31916 Miss Distance (Miss Distance) Trend

    COSMOS 2538 & STARLINK-31916 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31916Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31916Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2538

    No nearby objects data