Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.556361E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T08:00:36+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 53616
    NORAD ID 53616
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-4605
    Time of Closest Approach 2026-09-14T14:18:26+0000
    Collision Probability (Pc) 1.556361E-6
    Conjunction Distance (km) 2.37 km
    Relative Speed (km/s) 10.232 km/s
    Conjunction Risk Parameters R (Radial): 2.342 | I (In-track): 0.269 | C (Cross-track): 0.245
    Collision Risk Index (CRI) 0.39
    X Position (km) 3784.109 3785.147
    Position Y (km) 2762.657 2763.852
    Position Z (km) -4988.585 -4990.348
    Velocity X (km/s) -6.252 -1.776
    Velocity Y (km/s) 0.796 6.975
    Velocity Z (km/s) -4.299 2.518

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-4605
    Semimajor Axis (a) 6842.514 km 6840.786 km
    Eccentricity (e) 0.000835 0.000113
    Inclination (i) 67.1433° 53.1603°
    RAAN 192.3312° 96.6595°
    Perigee Argument 268.4116° 96.0238°
    Mean Anomaly (M) 91.6081° 264.0894°
    Apogee 470.094 km 463.425 km
    Perigee 458.660 km 461.873 km
    Orbit Epoch 2026-09-13T15:23:17+0000 2026-09-12T23:30:43+0000

    COSMOS 2550 & STARLINK-4605 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-4605 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-4605 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-4605 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4605Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4605Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data