Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.919271E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T22:17:40+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 55269
    NORAD ID 55269
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2538 STARLINK-5277
    Time of Closest Approach 2026-10-22T16:53:15+0000
    Collision Probability (Pc) 1.919271E-4
    Conjunction Distance (km) 0.518 km
    Relative Speed (km/s) 15.144 km/s
    Conjunction Risk Parameters R (Radial): 0.369 | I (In-track): -0.055 | C (Cross-track): -0.358
    Collision Risk Index (CRI) 0.81
    X Position (km) 5688.834 5688.446
    Position Y (km) 2078.893 2079.126
    Position Z (km) -3214.992 -3214.742
    Velocity X (km/s) 3.718 -4.107
    Velocity Y (km/s) 0.145 1.641
    Velocity Z (km/s) 6.67 -6.209

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 STARLINK-5277
    Semimajor Axis (a) 6878.244 km 6852.707 km
    Eccentricity (e) 0.003982 0.000321
    Inclination (i) 97.5800° 69.9983°
    RAAN 15.5621° 191.1070°
    Perigee Argument 323.0565° 269.5350°
    Mean Anomaly (M) 36.7928° 90.5457°
    Apogee 527.499 km 476.773 km
    Perigee 472.715 km 472.367 km
    Orbit Epoch 2026-10-22T05:57:53+0000 2026-10-21T21:08:59+0000

    COSMOS 2538 & STARLINK-5277 Collision Probability (Pc) Trend

    COSMOS 2538 & STARLINK-5277 Collision Probability (Pc) TrendNot Available

    COSMOS 2538 & STARLINK-5277 Miss Distance (Miss Distance) Trend

    COSMOS 2538 & STARLINK-5277 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5277Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5277Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2538

    No nearby objects data