Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.257935E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:00:28+0800
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    1 Object 1

    AOE ID 12138
    NORAD ID 12138
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 39543
    NORAD ID 39543
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 1238 FENGYUN 1C DEB
    Time of Closest Approach 2026-10-21T20:03:57+0000
    Collision Probability (Pc) 2.257935E-6
    Conjunction Distance (km) 2.18 km
    Relative Speed (km/s) 14.151 km/s
    Conjunction Risk Parameters R (Radial): -1.745 | I (In-track): 0.16 | C (Cross-track): -1.295
    Collision Risk Index (CRI) 0.42
    X Position (km) 250.722 249.712
    Position Y (km) 1497.98 1497.6
    Position Z (km) -7398.603 -7400.496
    Velocity X (km/s) -3.368 4.789
    Velocity Y (km/s) 6.071 -5.285
    Velocity Z (km/s) 1.445 -0.73

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1238 FENGYUN 1C DEB
    Semimajor Axis (a) 7224.412 km 7374.897 km
    Eccentricity (e) 0.063576 0.033724
    Inclination (i) 82.9534° 99.0176°
    RAAN 119.0566° 309.3463°
    Perigee Argument 61.8419° 43.2663°
    Mean Anomaly (M) 304.5488° 319.4451°
    Apogee 1305.574 km 1245.469 km
    Perigee 386.976 km 748.051 km
    Orbit Epoch 2026-10-19T22:35:35+0000 2026-10-19T19:29:24+0000

    COSMOS 1238 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    COSMOS 1238 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    COSMOS 1238 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    COSMOS 1238 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1238Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1238Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1238

    No nearby objects data