Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.278312E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T09:45:25+0800
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    1 Object 1

    AOE ID 8165
    NORAD ID 8165
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 40555
    NORAD ID 40555
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter THORAD DELTA 1 DEB COSMOS 2504
    Time of Closest Approach 2026-10-28T03:42:53+0000
    Collision Probability (Pc) 1.278312E-6
    Conjunction Distance (km) 2.816 km
    Relative Speed (km/s) 11.85 km/s
    Conjunction Risk Parameters R (Radial): 2.679 | I (In-track): -0.442 | C (Cross-track): 0.746
    Collision Risk Index (CRI) 0.37
    X Position (km) -1592.722 -1594.113
    Position Y (km) 383.56 383.631
    Position Z (km) 7663.205 7665.651
    Velocity X (km/s) 3.2 4.115
    Velocity Y (km/s) 6.361 -5.421
    Velocity Z (km/s) 0.359 1.223

    Orbital Parameters 国际轨道数据源

    Parameter THORAD DELTA 1 DEB COSMOS 2504
    Semimajor Axis (a) 7841.736 km 7408.601 km
    Eccentricity (e) 0.001838 0.060665
    Inclination (i) 101.7240° 82.5160°
    RAAN 239.8794° 130.4374°
    Perigee Argument 354.3640° 279.5308°
    Mean Anomaly (M) 164.3877° 73.7819°
    Apogee 1478.011 km 1479.909 km
    Perigee 1449.187 km 581.019 km
    Orbit Epoch 2026-10-25T06:57:37+0000 2026-10-25T17:05:21+0000

    THORAD DELTA 1 DEB & COSMOS 2504 Collision Probability (Pc) Trend

    THORAD DELTA 1 DEB & COSMOS 2504 Collision Probability (Pc) TrendNot Available

    THORAD DELTA 1 DEB & COSMOS 2504 Miss Distance (Miss Distance) Trend

    THORAD DELTA 1 DEB & COSMOS 2504 Miss Distance (Miss Distance) TrendNot Available

    THORAD DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2504Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2504Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD DELTA 1 DEB

    No nearby objects data