Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.711028E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T07:43:52+0800
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    1 Object 1

    AOE ID 8158
    NORAD ID 8158
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 21303
    NORAD ID 21303
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter THORAD DELTA 1 DEB COSMOS 2147
    Time of Closest Approach 2026-11-01T04:32:40+0000
    Collision Probability (Pc) 2.711028E-6
    Conjunction Distance (km) 2.025 km
    Relative Speed (km/s) 14.284 km/s
    Conjunction Risk Parameters R (Radial): -0.588 | I (In-track): 0.099 | C (Cross-track): -1.934
    Collision Risk Index (CRI) 0.44
    X Position (km) -5325.139 -5325.051
    Position Y (km) 71.594 73.474
    Position Z (km) -5684.353 -5683.606
    Velocity X (km/s) 5.053 -5.129
    Velocity Y (km/s) 1.999 -1.281
    Velocity Z (km/s) -4.653 4.811

    Orbital Parameters 国际轨道数据源

    Parameter THORAD DELTA 1 DEB COSMOS 2147
    Semimajor Axis (a) 7794.098 km 7779.820 km
    Eccentricity (e) 0.006143 0.001997
    Inclination (i) 101.3926° 82.5694°
    RAAN 9.6809° 188.3515°
    Perigee Argument 308.7571° 55.2069°
    Mean Anomaly (M) 76.6903° 118.4169°
    Apogee 1463.844 km 1417.221 km
    Perigee 1368.078 km 1386.145 km
    Orbit Epoch 2026-10-30T03:53:39+0000 2026-10-30T10:03:21+0000

    THORAD DELTA 1 DEB & COSMOS 2147 Collision Probability (Pc) Trend

    THORAD DELTA 1 DEB & COSMOS 2147 Collision Probability (Pc) TrendNot Available

    THORAD DELTA 1 DEB & COSMOS 2147 Miss Distance (Miss Distance) Trend

    THORAD DELTA 1 DEB & COSMOS 2147 Miss Distance (Miss Distance) TrendNot Available

    THORAD DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2147Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2147Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD DELTA 1 DEB

    No nearby objects data