Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.690563E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T19:05:13+0800
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    1 Object 1

    AOE ID 35440
    NORAD ID 35440
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 68923
    NORAD ID 68923
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB KUIPER-00405
    Time of Closest Approach 2026-09-07T22:30:48+0000
    Collision Probability (Pc) 1.690563E-6
    Conjunction Distance (km) 1.694 km
    Relative Speed (km/s) 3.091 km/s
    Conjunction Risk Parameters R (Radial): 1.669 | I (In-track): -0.288 | C (Cross-track): -0.044
    Collision Risk Index (CRI) 0.4
    X Position (km) -5102.084 -5103.318
    Position Y (km) -4284.787 -4285.659
    Position Z (km) 2157.046 2157.81
    Velocity X (km/s) -0.332 1.786
    Velocity Y (km/s) -3.137 -4.89
    Velocity Z (km/s) -6.877 -5.464

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB KUIPER-00405
    Semimajor Axis (a) 7039.029 km 7007.688 km
    Eccentricity (e) 0.006758 0.000147
    Inclination (i) 74.0140° 51.9011°
    RAAN 50.6913° 69.8055°
    Perigee Argument 126.0505° 151.6496°
    Mean Anomaly (M) 234.6953° 208.4547°
    Apogee 708.466 km 630.579 km
    Perigee 613.318 km 628.523 km
    Orbit Epoch 2026-09-05T04:27:26+0000 2026-09-04T12:46:20+0000

    COSMOS 2251 DEB & KUIPER-00405 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & KUIPER-00405 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & KUIPER-00405 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & KUIPER-00405 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00405Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00405Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data