Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.247936E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T16:31:57+0800
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    1 Object 1

    AOE ID 8140
    NORAD ID 8140
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 32956
    NORAD ID 32956
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter THORAD DELTA 1 DEB COSMOS 2439
    Time of Closest Approach 2026-11-01T16:12:47+0000
    Collision Probability (Pc) 6.247936E-7
    Conjunction Distance (km) 2.6 km
    Relative Speed (km/s) 2.584 km/s
    Conjunction Risk Parameters R (Radial): -0.852 | I (In-track): 2.415 | C (Cross-track): 0.446
    Collision Risk Index (CRI) 0.31
    X Position (km) 73.152 73.259
    Position Y (km) 7362.261 7362.343
    Position Z (km) 2823.418 2820.823
    Velocity X (km/s) 1.612 -0.967
    Velocity Y (km/s) 2.454 2.543
    Velocity Z (km/s) -6.462 -6.564

    Orbital Parameters 国际轨道数据源

    Parameter THORAD DELTA 1 DEB COSMOS 2439
    Semimajor Axis (a) 7856.295 km 7871.739 km
    Eccentricity (e) 0.004333 0.002157
    Inclination (i) 102.0608° 82.5029°
    RAAN 261.8833° 274.0448°
    Perigee Argument 314.3117° 23.8655°
    Mean Anomaly (M) 74.0056° 336.3420°
    Apogee 1512.199 km 1510.583 km
    Perigee 1444.117 km 1476.621 km
    Orbit Epoch 2026-10-29T20:06:43+0000 2026-10-29T21:41:15+0000

    THORAD DELTA 1 DEB & COSMOS 2439 Collision Probability (Pc) Trend

    THORAD DELTA 1 DEB & COSMOS 2439 Collision Probability (Pc) TrendNot Available

    THORAD DELTA 1 DEB & COSMOS 2439 Miss Distance (Miss Distance) Trend

    THORAD DELTA 1 DEB & COSMOS 2439 Miss Distance (Miss Distance) TrendNot Available

    THORAD DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD DELTA 1 DEB

    No nearby objects data