Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.99645E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:01:39+0800
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    1 Object 1

    AOE ID 5180
    NORAD ID 5180
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 48802
    NORAD ID 48802
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter COSMOS 409 ONEWEB-0239
    Time of Closest Approach 2026-09-13T04:38:59+0000
    Collision Probability (Pc) 4.99645E-7
    Conjunction Distance (km) 2.689 km
    Relative Speed (km/s) 1.756 km/s
    Conjunction Risk Parameters R (Radial): 2.142 | I (In-track): 1.616 | C (Cross-track): 0.182
    Collision Risk Index (CRI) 0.29
    X Position (km) -3583.432 -3584.17
    Position Y (km) -6669.38 -6671.326
    Position Z (km) 352.995 354.697
    Velocity X (km/s) 1.926 0.399
    Velocity Y (km/s) -0.641 0.18
    Velocity Z (km/s) 6.961 7.24

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 409 ONEWEB-0239
    Semimajor Axis (a) 7571.093 km 7579.912 km
    Eccentricity (e) 0.002201 0.000213
    Inclination (i) 73.9987° 87.8978°
    RAAN 244.2901° 242.1856°
    Perigee Argument 118.2807° 62.4744°
    Mean Anomaly (M) 271.8866° 297.6603°
    Apogee 1209.624 km 1203.389 km
    Perigee 1176.288 km 1200.161 km
    Orbit Epoch 2026-09-10T23:57:16+0000 2026-09-10T12:44:53+0000

    COSMOS 409 & ONEWEB-0239 Collision Probability (Pc) Trend

    COSMOS 409 & ONEWEB-0239 Collision Probability (Pc) TrendNot Available

    COSMOS 409 & ONEWEB-0239 Miss Distance (Miss Distance) Trend

    COSMOS 409 & ONEWEB-0239 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 409Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0239Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 409Collision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0239Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 409

    No nearby objects data