Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.571537E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T20:13:42+0800
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    1 Object 1

    AOE ID 3679
    NORAD ID 3679
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 49304
    NORAD ID 49304
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter COSMOS 249 DEB * ONEWEB-0378
    Time of Closest Approach 2026-11-05T17:21:39+0000
    Collision Probability (Pc) 2.571537E-6
    Conjunction Distance (km) 1.644 km
    Relative Speed (km/s) 5.353 km/s
    Conjunction Risk Parameters R (Radial): -0.76 | I (In-track): -1.326 | C (Cross-track): -0.602
    Collision Risk Index (CRI) 0.43
    X Position (km) 2102.93 2102.98
    Position Y (km) 4237.88 4239.509
    Position Z (km) 5888.814 5888.598
    Velocity X (km/s) -3.025 2.137
    Velocity Y (km/s) 5.608 5.256
    Velocity Z (km/s) -3.17 -4.536

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB * ONEWEB-0378
    Semimajor Axis (a) 7268.458 km 7559.895 km
    Eccentricity (e) 0.046826 0.000186
    Inclination (i) 62.7522° 87.9213°
    RAAN 290.4065° 246.6192°
    Perigee Argument 268.5465° 71.5091°
    Mean Anomaly (M) 86.1918° 288.6245°
    Apogee 1230.672 km 1183.165 km
    Perigee 549.970 km 1180.351 km
    Orbit Epoch 2026-11-03T08:13:45+0000 2026-11-03T15:37:18+0000

    COSMOS 249 DEB * & ONEWEB-0378 Collision Probability (Pc) Trend

    COSMOS 249 DEB * & ONEWEB-0378 Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB * & ONEWEB-0378 Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB * & ONEWEB-0378 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0378Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0378Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB *

    No nearby objects data