Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.90245E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:10:56+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 52275
    NORAD ID 52275
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1328 STARLINK-3784
    Time of Closest Approach 2026-09-04T15:02:45+0000
    Collision Probability (Pc) 3.90245E-6
    Conjunction Distance (km) 1.752 km
    Relative Speed (km/s) 13.587 km/s
    Conjunction Risk Parameters R (Radial): 1.691 | I (In-track): 0.217 | C (Cross-track): -0.401
    Collision Risk Index (CRI) 0.47
    X Position (km) -5705.319 -5706.701
    Position Y (km) 701.621 701.358
    Position Z (km) 3697.117 3698.159
    Velocity X (km/s) 3.91 -3.548
    Velocity Y (km/s) -1.676 -5.05
    Velocity Z (km/s) 6.342 -4.502

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1328 STARLINK-3784
    Semimajor Axis (a) 6833.052 km 6840.909 km
    Eccentricity (e) 0.000771 0.000137
    Inclination (i) 82.4917° 53.1638°
    RAAN 169.5253° 26.1990°
    Perigee Argument 266.9440° 80.8539°
    Mean Anomaly (M) 93.0922° 279.2618°
    Apogee 460.187 km 463.706 km
    Perigee 449.643 km 461.838 km
    Orbit Epoch 2026-09-03T06:05:27+0000 2026-09-03T16:33:51+0000

    COSMOS 1328 & STARLINK-3784 Collision Probability (Pc) Trend

    COSMOS 1328 & STARLINK-3784 Collision Probability (Pc) TrendNot Available

    COSMOS 1328 & STARLINK-3784 Miss Distance (Miss Distance) Trend

    COSMOS 1328 & STARLINK-3784 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1328Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3784Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1328Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3784Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1328

    No nearby objects data