Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.788437E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:22:15+0800
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    1 Object 1

    AOE ID 28496
    NORAD ID 28496
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 62902
    NORAD ID 62902
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ESSAIM-3 COSMOS 2581
    Time of Closest Approach 2026-09-13T13:58:54+0000
    Collision Probability (Pc) 1.788437E-6
    Conjunction Distance (km) 2.459 km
    Relative Speed (km/s) 14.511 km/s
    Conjunction Risk Parameters R (Radial): -1.581 | I (In-track): -0.53 | C (Cross-track): -1.806
    Collision Risk Index (CRI) 0.4
    X Position (km) -65.818 -65.755
    Position Y (km) 1024.318 1022.223
    Position Z (km) 6870.864 6869.579
    Velocity X (km/s) 7.208 -7.299
    Velocity Y (km/s) 2.304 1.999
    Velocity Z (km/s) -0.273 -0.37

    Orbital Parameters 国际轨道数据源

    Parameter ESSAIM-3 COSMOS 2581
    Semimajor Axis (a) 6954.696 km 6959.998 km
    Eccentricity (e) 0.000133 0.001127
    Inclination (i) 98.2295° 81.9991°
    RAAN 196.4636° 346.1494°
    Perigee Argument 14.1386° 125.6177°
    Mean Anomaly (M) 345.9871° 234.6094°
    Apogee 577.487 km 589.706 km
    Perigee 575.631 km 574.016 km
    Orbit Epoch 2026-09-12T02:16:37+0000 2026-09-11T18:12:08+0000

    ESSAIM-3 & COSMOS 2581 Collision Probability (Pc) Trend

    ESSAIM-3 & COSMOS 2581 Collision Probability (Pc) TrendNot Available

    ESSAIM-3 & COSMOS 2581 Miss Distance (Miss Distance) Trend

    ESSAIM-3 & COSMOS 2581 Miss Distance (Miss Distance) TrendNot Available

    ESSAIM-3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2581Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ESSAIM-3Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2581Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ESSAIM-3

    No nearby objects data