Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.335363E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T22:36:55+0800
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    1 Object 1

    AOE ID 36622
    NORAD ID 36622
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 67147
    NORAD ID 67147
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB KUIPER-00221
    Time of Closest Approach 2026-09-06T07:26:23+0000
    Collision Probability (Pc) 1.335363E-6
    Conjunction Distance (km) 1.947 km
    Relative Speed (km/s) 3.828 km/s
    Conjunction Risk Parameters R (Radial): 1.853 | I (In-track): -0.584 | C (Cross-track): -0.128
    Collision Risk Index (CRI) 0.38
    X Position (km) 4861.801 4860.941
    Position Y (km) -3019.167 -3018.212
    Position Z (km) -4054.404 -4052.942
    Velocity X (km/s) 4.791 5.427
    Velocity Y (km/s) 0.019 3.339
    Velocity Z (km/s) 5.821 4.026

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB KUIPER-00221
    Semimajor Axis (a) 7013.414 km 7007.658 km
    Eccentricity (e) 0.006515 0.000020
    Inclination (i) 74.0157° 51.9013°
    RAAN 343.3216° 7.5625°
    Perigee Argument 50.1878° 73.0606°
    Mean Anomaly (M) 310.5006° 287.0378°
    Apogee 680.968 km 629.664 km
    Perigee 589.586 km 629.378 km
    Orbit Epoch 2026-09-04T13:22:21+0000 2026-09-05T00:51:34+0000

    COSMOS 2251 DEB & KUIPER-00221 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & KUIPER-00221 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & KUIPER-00221 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & KUIPER-00221 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data