Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.391998E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:16:51+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 56030
    NORAD ID 56030
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2538 STARLINK-5781
    Time of Closest Approach 2026-10-28T22:46:53+0000
    Collision Probability (Pc) 1.391998E-6
    Conjunction Distance (km) 2.827 km
    Relative Speed (km/s) 13.872 km/s
    Conjunction Risk Parameters R (Radial): 2.604 | I (In-track): 0.462 | C (Cross-track): -1
    Collision Risk Index (CRI) 0.38
    X Position (km) 5284.063 5285.929
    Position Y (km) 2667.853 2669.823
    Position Z (km) -3468.39 -3469.18
    Velocity X (km/s) 3.938 -4.736
    Velocity Y (km/s) 0.682 4.845
    Velocity Z (km/s) 6.503 -3.489

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 STARLINK-5781
    Semimajor Axis (a) 6878.132 km 6861.136 km
    Eccentricity (e) 0.003951 0.000186
    Inclination (i) 97.5798° 42.9997°
    RAAN 20.2656° 183.9654°
    Perigee Argument 306.2789° 267.0155°
    Mean Anomaly (M) 53.4799° 93.0484°
    Apogee 527.168 km 484.277 km
    Perigee 472.822 km 481.721 km
    Orbit Epoch 2026-10-26T21:59:58+0000 2026-10-26T02:18:38+0000

    COSMOS 2538 & STARLINK-5781 Collision Probability (Pc) Trend

    COSMOS 2538 & STARLINK-5781 Collision Probability (Pc) TrendNot Available

    COSMOS 2538 & STARLINK-5781 Miss Distance (Miss Distance) Trend

    COSMOS 2538 & STARLINK-5781 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2538

    No nearby objects data