Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.623475E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:13:15+0800
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    1 Object 1

    AOE ID 5197
    NORAD ID 5197
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 21666
    NORAD ID 21666
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 397 DEB COSMOS 2154
    Time of Closest Approach 2026-09-16T08:51:58+0000
    Collision Probability (Pc) 3.623475E-4
    Conjunction Distance (km) 0.366 km
    Relative Speed (km/s) 13.634 km/s
    Conjunction Risk Parameters R (Radial): -0.324 | I (In-track): -0.08 | C (Cross-track): -0.147
    Collision Risk Index (CRI) 0.86
    X Position (km) -4413.852 -4413.985
    Position Y (km) -3084.841 -3085.129
    Position Z (km) 5044.677 5044.859
    Velocity X (km/s) 5.492 -3.349
    Velocity Y (km/s) -1.264 -3.856
    Velocity Z (km/s) 4.775 -5.274

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB COSMOS 2154
    Semimajor Axis (a) 7456.693 km 7365.011 km
    Eccentricity (e) 0.070380 0.002420
    Inclination (i) 65.5342° 82.9065°
    RAAN 192.7657° 42.3694°
    Perigee Argument 323.3022° 324.3254°
    Mean Anomaly (M) 32.1717° 64.0886°
    Apogee 1603.359 km 1004.702 km
    Perigee 553.753 km 969.046 km
    Orbit Epoch 2026-09-15T02:22:46+0000 2026-09-15T09:36:52+0000

    COSMOS 397 DEB & COSMOS 2154 Collision Probability (Pc) Trend

    COSMOS 397 DEB & COSMOS 2154 Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & COSMOS 2154 Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & COSMOS 2154 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2154Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2154Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data