Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.680087E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T10:11:27+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 66105
    NORAD ID 66105
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-35561
    Time of Closest Approach 2026-09-14T09:57:49+0000
    Collision Probability (Pc) 2.680087E-6
    Conjunction Distance (km) 1.915 km
    Relative Speed (km/s) 11.168 km/s
    Conjunction Risk Parameters R (Radial): -1.724 | I (In-track): -0.571 | C (Cross-track): -0.605
    Collision Risk Index (CRI) 0.44
    X Position (km) -4938.842 -4940.367
    Position Y (km) 1103.675 1103.179
    Position Z (km) -4608.056 -4609.101
    Velocity X (km/s) -5.141 1.582
    Velocity Y (km/s) -2.958 -6.691
    Velocity Z (km/s) 4.798 -3.3

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-35561
    Semimajor Axis (a) 6842.509 km 6840.824 km
    Eccentricity (e) 0.000835 0.000122
    Inclination (i) 67.1433° 53.1594°
    RAAN 191.7395° 308.5219°
    Perigee Argument 268.3445° 70.0524°
    Mean Anomaly (M) 91.6753° 290.0610°
    Apogee 470.085 km 463.524 km
    Perigee 458.659 km 461.850 km
    Orbit Epoch 2026-09-13T20:04:59+0000 2026-09-13T12:36:43+0000

    COSMOS 2550 & STARLINK-35561 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-35561 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-35561 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-35561 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35561Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35561Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data