Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.770992E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:10:59+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 66640
    NORAD ID 66640
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1328 STARLINK-35921
    Time of Closest Approach 2026-09-05T03:33:28+0000
    Collision Probability (Pc) 6.770992E-6
    Conjunction Distance (km) 1.466 km
    Relative Speed (km/s) 13.446 km/s
    Conjunction Risk Parameters R (Radial): 1.169 | I (In-track): -0.426 | C (Cross-track): 0.777
    Collision Risk Index (CRI) 0.52
    X Position (km) -5521.796 -5522.809
    Position Y (km) 678.904 679.87
    Position Z (km) 3969.686 3970.123
    Velocity X (km/s) 4.2 -3.672
    Velocity Y (km/s) -1.751 -5.217
    Velocity Z (km/s) 6.132 -4.202

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1328 STARLINK-35921
    Semimajor Axis (a) 6833.052 km 6840.826 km
    Eccentricity (e) 0.000771 0.000101
    Inclination (i) 82.4917° 53.1614°
    RAAN 169.5253° 36.6997°
    Perigee Argument 266.9440° 76.3992°
    Mean Anomaly (M) 93.0922° 283.7123°
    Apogee 460.187 km 463.378 km
    Perigee 449.643 km 462.000 km
    Orbit Epoch 2026-09-03T06:05:27+0000 2026-09-02T17:08:26+0000

    COSMOS 1328 & STARLINK-35921 Collision Probability (Pc) Trend

    COSMOS 1328 & STARLINK-35921 Collision Probability (Pc) TrendNot Available

    COSMOS 1328 & STARLINK-35921 Miss Distance (Miss Distance) Trend

    COSMOS 1328 & STARLINK-35921 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1328Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35921Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1328Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35921Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1328

    No nearby objects data