Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.436366E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T00:59:25+0800
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    1 Object 1

    AOE ID 10466
    NORAD ID 10466
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 48221
    NORAD ID 48221
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter COSMOS 839 DEB ONEWEB-0187
    Time of Closest Approach 2026-09-12T19:41:30+0000
    Collision Probability (Pc) 6.436366E-5
    Conjunction Distance (km) 0.597 km
    Relative Speed (km/s) 4.742 km/s
    Conjunction Risk Parameters R (Radial): 0.563 | I (In-track): 0.169 | C (Cross-track): -0.106
    Collision Risk Index (CRI) 0.71
    X Position (km) 402.661 402.526
    Position Y (km) -4705.733 -4705.519
    Position Z (km) 5927.103 5926.562
    Velocity X (km/s) 4.422 -0.056
    Velocity Y (km/s) 5.021 5.683
    Velocity Z (km/s) 3.093 4.506

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 839 DEB ONEWEB-0187
    Semimajor Axis (a) 7841.835 km 7583.925 km
    Eccentricity (e) 0.070347 0.000176
    Inclination (i) 65.8321° 87.8894°
    RAAN 244.2834° 272.3762°
    Perigee Argument 125.6104° 90.6871°
    Mean Anomaly (M) 272.6008° 269.4460°
    Apogee 2015.345 km 1207.123 km
    Perigee 912.051 km 1204.453 km
    Orbit Epoch 2026-09-10T23:23:07+0000 2026-09-12T02:59:22+0000

    COSMOS 839 DEB & ONEWEB-0187 Collision Probability (Pc) Trend

    COSMOS 839 DEB & ONEWEB-0187 Collision Probability (Pc) TrendNot Available

    COSMOS 839 DEB & ONEWEB-0187 Miss Distance (Miss Distance) Trend

    COSMOS 839 DEB & ONEWEB-0187 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 839 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0187Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 839 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0187Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 839 DEB

    No nearby objects data