Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.493434E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T18:20:19+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 53707
    NORAD ID 53707
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1328 STARLINK-4667
    Time of Closest Approach 2026-09-13T16:18:13+0000
    Collision Probability (Pc) 2.493434E-4
    Conjunction Distance (km) 0.391 km
    Relative Speed (km/s) 8.325 km/s
    Conjunction Risk Parameters R (Radial): -0.198 | I (In-track): -0.284 | C (Cross-track): 0.179
    Collision Risk Index (CRI) 0.83
    X Position (km) -4103.1 -4103.121
    Position Y (km) 821.219 821.463
    Position Z (km) 5402.169 5401.865
    Velocity X (km/s) 5.468 -0.275
    Velocity Y (km/s) -2.756 -7.576
    Velocity Z (km/s) 4.56 0.941

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1328 STARLINK-4667
    Semimajor Axis (a) 6832.671 km 6840.882 km
    Eccentricity (e) 0.000812 0.000118
    Inclination (i) 82.4923° 53.1601°
    RAAN 160.4181° 101.8528°
    Perigee Argument 227.4521° 81.9689°
    Mean Anomaly (M) 132.6038° 278.1448°
    Apogee 460.082 km 463.553 km
    Perigee 448.986 km 461.937 km
    Orbit Epoch 2026-09-12T04:08:26+0000 2026-09-11T20:10:49+0000

    COSMOS 1328 & STARLINK-4667 Collision Probability (Pc) Trend

    COSMOS 1328 & STARLINK-4667 Collision Probability (Pc) TrendNot Available

    COSMOS 1328 & STARLINK-4667 Miss Distance (Miss Distance) Trend

    COSMOS 1328 & STARLINK-4667 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1328Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4667Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1328Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4667Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1328

    No nearby objects data