Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.917398E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:17:56+0800
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    1 Object 1

    AOE ID 16986
    NORAD ID 16986
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 51742
    NORAD ID 51742
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1782 STARLINK-3521
    Time of Closest Approach 2026-09-06T17:32:24+0000
    Collision Probability (Pc) 1.917398E-6
    Conjunction Distance (km) 2.342 km
    Relative Speed (km/s) 13.929 km/s
    Conjunction Risk Parameters R (Radial): 2.118 | I (In-track): -0.42 | C (Cross-track): -0.906
    Collision Risk Index (CRI) 0.41
    X Position (km) -3911.148 -3913.044
    Position Y (km) -4970.063 -4970.925
    Position Z (km) 2595.077 2596.148
    Velocity X (km/s) -0.936 5.26
    Velocity Y (km/s) -2.925 -1.319
    Velocity Z (km/s) -6.992 5.379

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1782 STARLINK-3521
    Semimajor Axis (a) 6834.578 km 6840.974 km
    Eccentricity (e) 0.000414 0.000127
    Inclination (i) 82.5232° 53.1583°
    RAAN 57.7632° 230.0382°
    Perigee Argument 299.2876° 101.3822°
    Mean Anomaly (M) 60.7954° 258.7323°
    Apogee 459.270 km 463.704 km
    Perigee 453.612 km 461.970 km
    Orbit Epoch 2026-09-03T21:38:57+0000 2026-09-03T06:33:51+0000

    COSMOS 1782 & STARLINK-3521 Collision Probability (Pc) Trend

    COSMOS 1782 & STARLINK-3521 Collision Probability (Pc) TrendNot Available

    COSMOS 1782 & STARLINK-3521 Miss Distance (Miss Distance) Trend

    COSMOS 1782 & STARLINK-3521 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1782Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1782Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1782

    No nearby objects data