Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.525915E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T13:39:28+0800
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    1 Object 1

    AOE ID 15472
    NORAD ID 15472
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 17023
    NORAD ID 17023
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1620 THORAD DELTA 1 DEB
    Time of Closest Approach 2026-10-25T09:16:15+0000
    Collision Probability (Pc) 1.525915E-6
    Conjunction Distance (km) 2.229 km
    Relative Speed (km/s) 8.044 km/s
    Conjunction Risk Parameters R (Radial): -1.744 | I (In-track): -1.144 | C (Cross-track): -0.782
    Collision Risk Index (CRI) 0.39
    X Position (km) -1318.951 -1319.839
    Position Y (km) 1882.863 1884.472
    Position Z (km) 7420.409 7421.668
    Velocity X (km/s) -6.088 1.062
    Velocity Y (km/s) 3.255 6.918
    Velocity Z (km/s) -1.915 -1.525

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1620 THORAD DELTA 1 DEB
    Semimajor Axis (a) 7780.242 km 7781.581 km
    Eccentricity (e) 0.001530 0.005411
    Inclination (i) 82.6019° 101.5324°
    RAAN 330.7553° 262.3096°
    Perigee Argument 174.7259° 21.5075°
    Mean Anomaly (M) 0.0294° 8.4665°
    Apogee 1414.013 km 1445.553 km
    Perigee 1390.197 km 1361.335 km
    Orbit Epoch 2026-10-23T21:34:17+0000 2026-10-23T20:49:10+0000

    COSMOS 1620 & THORAD DELTA 1 DEB Collision Probability (Pc) Trend

    COSMOS 1620 & THORAD DELTA 1 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 1620 & THORAD DELTA 1 DEB Miss Distance (Miss Distance) Trend

    COSMOS 1620 & THORAD DELTA 1 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1620Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    THORAD DELTA 1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1620Collision Probability Trend

    Object 1 Probability TrendNot Available

    THORAD DELTA 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1620

    No nearby objects data