Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.054796E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T13:31:39+0800
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    1 Object 1

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 58549
    NORAD ID 58549
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-31053
    Time of Closest Approach 2026-10-22T16:41:38+0000
    Collision Probability (Pc) 9.054796E-6
    Conjunction Distance (km) 0.939 km
    Relative Speed (km/s) 2.125 km/s
    Conjunction Risk Parameters R (Radial): -0.059 | I (In-track): -0.927 | C (Cross-track): 0.132
    Collision Risk Index (CRI) 0.54
    X Position (km) 2825.928 2826.213
    Position Y (km) 5532.816 5532.241
    Position Z (km) -2872.925 -2873.609
    Velocity X (km/s) -1.59 -3.395
    Velocity Y (km/s) 4.065 4.432
    Velocity Z (km/s) 6.26 5.202

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-31053
    Semimajor Axis (a) 6842.499 km 6840.816 km
    Eccentricity (e) 0.000836 0.000091
    Inclination (i) 67.1420° 53.1612°
    RAAN 77.9242° 87.7713°
    Perigee Argument 269.5520° 109.9369°
    Mean Anomaly (M) 90.4676° 250.1731°
    Apogee 470.083 km 463.301 km
    Perigee 458.641 km 462.057 km
    Orbit Epoch 2026-10-21T11:04:39+0000 2026-10-21T17:22:58+0000

    COSMOS 2550 & STARLINK-31053 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-31053 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-31053 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-31053 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31053Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31053Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data