Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.467405E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T14:28:00+0800
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    1 Object 1

    AOE ID 12987
    NORAD ID 12987
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 66238
    NORAD ID 66238
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1328 STARLINK-35556
    Time of Closest Approach 2026-09-14T04:45:16+0000
    Collision Probability (Pc) 1.467405E-4
    Conjunction Distance (km) 0.453 km
    Relative Speed (km/s) 5.615 km/s
    Conjunction Risk Parameters R (Radial): -0.442 | I (In-track): 0.088 | C (Cross-track): -0.032
    Collision Risk Index (CRI) 0.78
    X Position (km) -4947.223 -4946.863
    Position Y (km) 1321.493 1321.349
    Position Z (km) 4527.033 4526.8
    Velocity X (km/s) 4.474 1.357
    Velocity Y (km/s) -2.573 -6.692
    Velocity Z (km/s) 5.625 3.426

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1328 STARLINK-35556
    Semimajor Axis (a) 6832.685 km 6840.800 km
    Eccentricity (e) 0.000810 0.000142
    Inclination (i) 82.4923° 53.1578°
    RAAN 160.8168° 137.8901°
    Perigee Argument 228.8957° 99.7106°
    Mean Anomaly (M) 131.1589° 260.4056°
    Apogee 460.084 km 463.632 km
    Perigee 449.012 km 461.694 km
    Orbit Epoch 2026-09-11T18:45:59+0000 2026-09-11T03:02:34+0000

    COSMOS 1328 & STARLINK-35556 Collision Probability (Pc) Trend

    COSMOS 1328 & STARLINK-35556 Collision Probability (Pc) TrendNot Available

    COSMOS 1328 & STARLINK-35556 Miss Distance (Miss Distance) Trend

    COSMOS 1328 & STARLINK-35556 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1328Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1328Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1328

    No nearby objects data