Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.642487E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T14:22:26+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 64734
    NORAD ID 64734
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-34591
    Time of Closest Approach 2026-09-16T02:06:44+0000
    Collision Probability (Pc) 1.642487E-6
    Conjunction Distance (km) 2.498 km
    Relative Speed (km/s) 13.201 km/s
    Conjunction Risk Parameters R (Radial): 1.967 | I (In-track): 0.771 | C (Cross-track): -1.333
    Collision Risk Index (CRI) 0.39
    X Position (km) 6703.976 6702.299
    Position Y (km) 986.78 984.99
    Position Z (km) -964.03 -963.561
    Velocity X (km/s) -1.414 0.168
    Velocity Y (km/s) 2.817 4.696
    Velocity Z (km/s) -6.952 6.017

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-34591
    Semimajor Axis (a) 6842.505 km 6840.843 km
    Eccentricity (e) 0.000835 0.000123
    Inclination (i) 67.1433° 53.1606°
    RAAN 191.3450° 26.3525°
    Perigee Argument 268.2764° 84.6412°
    Mean Anomaly (M) 91.7434° 275.4731°
    Apogee 470.083 km 463.548 km
    Perigee 458.653 km 461.864 km
    Orbit Epoch 2026-09-13T23:12:47+0000 2026-09-13T13:11:33+0000

    COSMOS 2550 & STARLINK-34591 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-34591 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-34591 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-34591 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34591Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34591Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data