Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.098898E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:16:53+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 57867
    NORAD ID 57867
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2538 STARLINK-30439
    Time of Closest Approach 2026-10-29T19:21:31+0000
    Collision Probability (Pc) 1.098898E-6
    Conjunction Distance (km) 2.586 km
    Relative Speed (km/s) 7.317 km/s
    Conjunction Risk Parameters R (Radial): -2.288 | I (In-track): -1.055 | C (Cross-track): 0.578
    Collision Risk Index (CRI) 0.36
    X Position (km) 5971.13 5969.046
    Position Y (km) 2826.664 2825.205
    Position Z (km) -1865.485 -1865.945
    Velocity X (km/s) 2.318 -1.262
    Velocity Y (km/s) -0.059 5.812
    Velocity Z (km/s) 7.269 4.77

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 STARLINK-30439
    Semimajor Axis (a) 6878.132 km 6861.709 km
    Eccentricity (e) 0.003951 0.000395
    Inclination (i) 97.5798° 42.9956°
    RAAN 20.2656° 61.0554°
    Perigee Argument 306.2789° 276.3403°
    Mean Anomaly (M) 53.4799° 83.6999°
    Apogee 527.168 km 486.280 km
    Perigee 472.822 km 480.864 km
    Orbit Epoch 2026-10-26T21:59:58+0000 2026-10-26T14:32:51+0000

    COSMOS 2538 & STARLINK-30439 Collision Probability (Pc) Trend

    COSMOS 2538 & STARLINK-30439 Collision Probability (Pc) TrendNot Available

    COSMOS 2538 & STARLINK-30439 Miss Distance (Miss Distance) Trend

    COSMOS 2538 & STARLINK-30439 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2538

    No nearby objects data