Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.286138E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T01:32:41+0800
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    1 Object 1

    AOE ID 37988
    NORAD ID 37988
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    Name RANDEV
    AOE ID 52898
    NORAD ID 52898
    Object Type PAYLOAD
    Country
    KR KR

    Conjunction Constraints

    Parameter COSMOS 2251 DEB RANDEV
    Time of Closest Approach 2026-09-14T23:35:10+0000
    Collision Probability (Pc) 3.286138E-6
    Conjunction Distance (km) 1.901 km
    Relative Speed (km/s) 14.903 km/s
    Conjunction Risk Parameters R (Radial): 0.15 | I (In-track): -0.247 | C (Cross-track): -1.878
    Collision Risk Index (CRI) 0.45
    X Position (km) -2198.554 -2197.431
    Position Y (km) -3136.029 -3137.469
    Position Z (km) 5916.194 5915.67
    Velocity X (km/s) 6.246 -5.122
    Velocity Y (km/s) 2.296 -3.856
    Velocity Z (km/s) 3.481 -3.936

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB RANDEV
    Semimajor Axis (a) 7034.158 km 7059.039 km
    Eccentricity (e) 0.006209 0.000914
    Inclination (i) 74.0598° 98.2336°
    RAAN 213.9343° 40.4096°
    Perigee Argument 183.4024° 106.2143°
    Mean Anomaly (M) 176.6735° 254.0065°
    Apogee 699.695 km 687.351 km
    Perigee 612.347 km 674.453 km
    Orbit Epoch 2026-09-12T07:40:36+0000 2026-09-13T07:39:33+0000

    COSMOS 2251 DEB & RANDEV Collision Probability (Pc) Trend

    COSMOS 2251 DEB & RANDEV Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & RANDEV Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & RANDEV Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RANDEVMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    RANDEVCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data