Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.680794E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T23:33:13+0800
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    1 Object 1

    AOE ID 49942
    NORAD ID 49942
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 50473
    NORAD ID 50473
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter COSMOS 2499 DEB ONEWEB-0393
    Time of Closest Approach 2026-09-16T11:56:55+0000
    Collision Probability (Pc) 3.680794E-6
    Conjunction Distance (km) 1.804 km
    Relative Speed (km/s) 14.156 km/s
    Conjunction Risk Parameters R (Radial): 0.629 | I (In-track): 0.401 | C (Cross-track): -1.641
    Collision Risk Index (CRI) 0.46
    X Position (km) 2671.941 2671.735
    Position Y (km) -316.524 -318.185
    Position Z (km) 7069.958 7069.289
    Velocity X (km/s) 6.602 -6.615
    Velocity Y (km/s) 1.938 1.534
    Velocity Z (km/s) -2.488 2.564

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2499 DEB ONEWEB-0393
    Semimajor Axis (a) 7696.281 km 7571.869 km
    Eccentricity (e) 0.019454 0.000192
    Inclination (i) 82.4578° 87.9204°
    RAAN 194.9485° 347.9892°
    Perigee Argument 148.1977° 105.6913°
    Mean Anomaly (M) 213.1052° 254.4430°
    Apogee 1467.870 km 1195.186 km
    Perigee 1168.418 km 1192.278 km
    Orbit Epoch 2026-09-14T12:41:42+0000 2026-09-15T04:36:59+0000

    COSMOS 2499 DEB & ONEWEB-0393 Collision Probability (Pc) Trend

    COSMOS 2499 DEB & ONEWEB-0393 Collision Probability (Pc) TrendNot Available

    COSMOS 2499 DEB & ONEWEB-0393 Miss Distance (Miss Distance) Trend

    COSMOS 2499 DEB & ONEWEB-0393 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2499 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0393Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2499 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0393Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2499 DEB

    No nearby objects data