Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.112372E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-10T00:24:04+0800
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    1 Object 1

    AOE ID 40228
    NORAD ID 40228
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 41661
    NORAD ID 41661
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB NOAA 16 DEB
    Time of Closest Approach 2026-08-10T00:38:53+0000
    Collision Probability (Pc) 2.112372E-6
    Conjunction Distance (km) 2.163 km
    Relative Speed (km/s) 12.33 km/s
    Conjunction Risk Parameters R (Radial): 1.523 | I (In-track): -0.873 | C (Cross-track): -1.262
    Collision Risk Index (CRI) 0.41
    X Position (km) -319.515 -318.793
    Position Y (km) 1984.286 1983.454
    Position Z (km) -6849.882 -6851.743
    Velocity X (km/s) -7.441 3.168
    Velocity Y (km/s) 0.375 6.518
    Velocity Z (km/s) 0.437 1.747

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB NOAA 16 DEB
    Semimajor Axis (a) 7131.966 km 7119.449 km
    Eccentricity (e) 0.002354 0.002090
    Inclination (i) 74.0545° 99.0330°
    RAAN 177.6416° 64.9633°
    Perigee Argument 186.1197° 82.2310°
    Mean Anomaly (M) 237.6578° 278.1251°
    Apogee 770.619 km 756.194 km
    Perigee 737.039 km 726.430 km
    Orbit Epoch 2026-08-09T05:21:20+0000 2026-08-08T19:05:34+0000

    COSMOS 2251 DEB & NOAA 16 DEB Collision Probability (Pc) Trend

    COSMOS 2251 DEB & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & NOAA 16 DEB Conjunction Distance (Md) Trend

    COSMOS 2251 DEB & NOAA 16 DEB Conjunction Distance (Md) TrendNot Available

    COSMOS 2251 DEBConjunction Distance Trend with All Objects

    Object 1 Conjunction Distance TrendNot Available

    NOAA 16 DEBConjunction Distance Trend with All Objects

    Object 2 Conjunction Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data