Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.704731E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T10:23:50+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 66635
    NORAD ID 66635
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-35955
    Time of Closest Approach 2026-09-14T22:34:43+0000
    Collision Probability (Pc) 7.704731E-5
    Conjunction Distance (km) 0.702 km
    Relative Speed (km/s) 12.834 km/s
    Conjunction Risk Parameters R (Radial): 0.676 | I (In-track): -0.099 | C (Cross-track): -0.163
    Collision Risk Index (CRI) 0.73
    X Position (km) -6300.866 -6300.263
    Position Y (km) 206.379 206.171
    Position Z (km) -2666.521 -2666.229
    Velocity X (km/s) -2.801 2.089
    Velocity Y (km/s) -3.127 -5.038
    Velocity Z (km/s) 6.373 -5.338

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-35955
    Semimajor Axis (a) 6842.509 km 6840.810 km
    Eccentricity (e) 0.000835 0.000143
    Inclination (i) 67.1433° 53.1597°
    RAAN 191.7395° 346.8200°
    Perigee Argument 268.3445° 92.6241°
    Mean Anomaly (M) 91.6753° 267.4925°
    Apogee 470.085 km 463.651 km
    Perigee 458.659 km 461.695 km
    Orbit Epoch 2026-09-13T20:04:59+0000 2026-09-13T09:43:04+0000

    COSMOS 2550 & STARLINK-35955 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-35955 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-35955 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-35955 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35955Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35955Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data