Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.517408E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:34:33+0800
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    1 Object 1

    AOE ID 27436
    NORAD ID 27436
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 27818
    NORAD ID 27818
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 2389 COSMOS 2398
    Time of Closest Approach 2026-10-29T03:14:24+0000
    Collision Probability (Pc) 1.517408E-6
    Conjunction Distance (km) 1.886 km
    Relative Speed (km/s) 4.165 km/s
    Conjunction Risk Parameters R (Radial): 1.881 | I (In-track): 0.127 | C (Cross-track): 0.048
    Collision Risk Index (CRI) 0.39
    X Position (km) -757.456 -757.19
    Position Y (km) 565.722 565.692
    Position Z (km) 7321.5 7319.634
    Velocity X (km/s) -2.554 -5.868
    Velocity Y (km/s) -6.867 -4.397
    Velocity Z (km/s) 0.253 -0.255

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2389 COSMOS 2398
    Semimajor Axis (a) 7359.168 km 7369.062 km
    Eccentricity (e) 0.004512 0.003020
    Inclination (i) 82.9500° 82.9513°
    RAAN 70.8028° 37.5620°
    Perigee Argument 248.6664° 307.9730°
    Mean Anomaly (M) 264.8873° 177.2409°
    Apogee 1014.233 km 1013.176 km
    Perigee 947.829 km 968.674 km
    Orbit Epoch 2026-10-27T20:07:33+0000 2026-10-27T19:54:25+0000

    COSMOS 2389 & COSMOS 2398 Collision Probability (Pc) Trend

    COSMOS 2389 & COSMOS 2398 Collision Probability (Pc) TrendNot Available

    COSMOS 2389 & COSMOS 2398 Miss Distance (Miss Distance) Trend

    COSMOS 2389 & COSMOS 2398 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2389Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2398Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2389Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2398Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2389

    No nearby objects data