Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.304283E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T13:05:02+0800
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    1 Object 1

    AOE ID 33940
    NORAD ID 33940
    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 2026-09-15T14:56:02+0000
    Collision Probability (Pc) 1.304283E-6
    Conjunction Distance (km) 2.478 km
    Relative Speed (km/s) 8.709 km/s
    Conjunction Risk Parameters R (Radial): 2.465 | I (In-track): 0.206 | C (Cross-track): 0.153
    Collision Risk Index (CRI) 0.37
    X Position (km) -2432.434 -2431.824
    Position Y (km) -949.952 -949.649
    Position Z (km) -6574.766 -6572.384
    Velocity X (km/s) 6.364 4.92
    Velocity Y (km/s) -3.513 5.045
    Velocity Z (km/s) -1.837 -2.554

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB RANDEV
    Semimajor Axis (a) 7068.494 km 7059.037 km
    Eccentricity (e) 0.001228 0.000914
    Inclination (i) 74.0415° 98.2340°
    RAAN 339.6236° 40.9562°
    Perigee Argument 343.5373° 104.7364°
    Mean Anomaly (M) 82.2850° 255.4851°
    Apogee 699.035 km 687.350 km
    Perigee 681.679 km 674.450 km
    Orbit Epoch 2026-09-13T07:49:58+0000 2026-09-13T20:47:00+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