Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.486266E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:00:09+0800
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    1 Object 1

    AOE ID 33982
    NORAD ID 33982
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 68943
    NORAD ID 68943
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB KUIPER-00442
    Time of Closest Approach 2026-09-03T03:53:10+0000
    Collision Probability (Pc) 3.486266E-6
    Conjunction Distance (km) 1.804 km
    Relative Speed (km/s) 13.013 km/s
    Conjunction Risk Parameters R (Radial): 1.66 | I (In-track): 0.345 | C (Cross-track): 0.615
    Collision Risk Index (CRI) 0.46
    X Position (km) 4590.132 4590.697
    Position Y (km) 4359.789 4361.278
    Position Z (km) -3035.958 -3036.804
    Velocity X (km/s) -3.831 -1.831
    Velocity Y (km/s) -0.466 5.37
    Velocity Z (km/s) -6.502 4.956

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB KUIPER-00442
    Semimajor Axis (a) 7067.207 km 7018.480 km
    Eccentricity (e) 0.007491 0.000183
    Inclination (i) 74.0677° 51.9009°
    RAAN 217.2479° 69.7773°
    Perigee Argument 195.0169° 90.6875°
    Mean Anomaly (M) 292.4342° 269.4295°
    Apogee 742.008 km 641.626 km
    Perigee 636.132 km 639.060 km
    Orbit Epoch 2026-09-02T07:48:32+0000 2026-09-02T05:17:39+0000

    COSMOS 2251 DEB & KUIPER-00442 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & KUIPER-00442 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & KUIPER-00442 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & KUIPER-00442 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00442Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00442Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data