Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.615074E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T15:25:51+0800
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    1 Object 1

    AOE ID 10442
    NORAD ID 10442
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 18938
    NORAD ID 18938
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 839 DEB COSMOS 1925
    Time of Closest Approach 2026-09-15T14:01:18+0000
    Collision Probability (Pc) 9.615074E-7
    Conjunction Distance (km) 1.81 km
    Relative Speed (km/s) 1.461 km/s
    Conjunction Risk Parameters R (Radial): -0.626 | I (In-track): -1.694 | C (Cross-track): 0.101
    Collision Risk Index (CRI) 0.35
    X Position (km) -865.21 -865.948
    Position Y (km) 5891.407 5892.842
    Position Z (km) 5101.26 5100.441
    Velocity X (km/s) -4.426 -3.189
    Velocity Y (km/s) 3.687 3.897
    Velocity Z (km/s) -4.308 -5.055

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 839 DEB COSMOS 1925
    Semimajor Axis (a) 7985.134 km 7855.833 km
    Eccentricity (e) 0.064875 0.002404
    Inclination (i) 66.0092° 74.0042°
    RAAN 303.9716° 295.2369°
    Perigee Argument 57.2748° 196.2978°
    Mean Anomaly (M) 110.0295° 280.5703°
    Apogee 2125.031 km 1496.582 km
    Perigee 1088.963 km 1458.810 km
    Orbit Epoch 2026-09-13T20:48:47+0000 2026-09-13T13:46:26+0000

    COSMOS 839 DEB & COSMOS 1925 Collision Probability (Pc) Trend

    COSMOS 839 DEB & COSMOS 1925 Collision Probability (Pc) TrendNot Available

    COSMOS 839 DEB & COSMOS 1925 Miss Distance (Miss Distance) Trend

    COSMOS 839 DEB & COSMOS 1925 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 839 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1925Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 839 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1925Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 839 DEB

    No nearby objects data