Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.389712E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:52:06+0800
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    1 Object 1

    AOE ID 35023
    NORAD ID 35023
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 53853
    NORAD ID 53853
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-4794
    Time of Closest Approach 2026-09-12T07:26:59+0000
    Collision Probability (Pc) 2.389712E-5
    Conjunction Distance (km) 1.017 km
    Relative Speed (km/s) 13.393 km/s
    Conjunction Risk Parameters R (Radial): -0.558 | I (In-track): -0.4 | C (Cross-track): -0.748
    Collision Risk Index (CRI) 0.63
    X Position (km) 6436.264 6436.686
    Position Y (km) 1179.964 1180.889
    Position Z (km) -2254.09 -2254.116
    Velocity X (km/s) 1.911 -2.743
    Velocity Y (km/s) 2.596 4.388
    Velocity Z (km/s) 6.879 -5.551

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-4794
    Semimajor Axis (a) 6929.935 km 6917.912 km
    Eccentricity (e) 0.002830 0.000167
    Inclination (i) 74.0362° 53.1590°
    RAAN 17.9217° 177.6836°
    Perigee Argument 27.9581° 84.0502°
    Mean Anomaly (M) 35.0808° 276.0679°
    Apogee 571.409 km 540.927 km
    Perigee 532.187 km 538.623 km
    Orbit Epoch 2026-09-11T09:28:45+0000 2026-09-11T19:25:18+0000

    COSMOS 2251 DEB & STARLINK-4794 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-4794 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-4794 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-4794 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4794Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4794Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data