Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.877328E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:18:04+0800
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    1 Object 1

    AOE ID 8144
    NORAD ID 8144
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 15624
    NORAD ID 15624
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter THORAD DELTA 1 DEB COSMOS 1642
    Time of Closest Approach 2026-09-11T09:05:37+0000
    Collision Probability (Pc) 1.877328E-6
    Conjunction Distance (km) 2.384 km
    Relative Speed (km/s) 14.249 km/s
    Conjunction Risk Parameters R (Radial): 1.747 | I (In-track): 0.208 | C (Cross-track): -1.608
    Collision Risk Index (CRI) 0.4
    X Position (km) 1591.184 1591.339
    Position Y (km) 2435.099 2433.064
    Position Z (km) 7208.197 7206.967
    Velocity X (km/s) 6.353 -6.883
    Velocity Y (km/s) 2.563 -0.893
    Velocity Z (km/s) -2.156 1.83

    Orbital Parameters 国际轨道数据源

    Parameter THORAD DELTA 1 DEB COSMOS 1642
    Semimajor Axis (a) 7826.191 km 7815.999 km
    Eccentricity (e) 0.015187 0.005063
    Inclination (i) 101.7714° 74.0588°
    RAAN 204.0009° 12.7907°
    Perigee Argument 44.1863° 58.4722°
    Mean Anomaly (M) 127.4893° 313.6842°
    Apogee 1566.909 km 1477.435 km
    Perigee 1329.199 km 1398.289 km
    Orbit Epoch 2026-09-09T15:18:44+0000 2026-09-10T13:39:14+0000

    THORAD DELTA 1 DEB & COSMOS 1642 Collision Probability (Pc) Trend

    THORAD DELTA 1 DEB & COSMOS 1642 Collision Probability (Pc) TrendNot Available

    THORAD DELTA 1 DEB & COSMOS 1642 Miss Distance (Miss Distance) Trend

    THORAD DELTA 1 DEB & COSMOS 1642 Miss Distance (Miss Distance) TrendNot Available

    THORAD DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1642Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1642Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD DELTA 1 DEB

    No nearby objects data