Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.380539E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T19:58:17+0800
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    1 Object 1

    AOE ID 40799
    NORAD ID 40799
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 66776
    NORAD ID 66776
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR-2-LAILA
    Time of Closest Approach 2026-10-20T05:49:49+0000
    Collision Probability (Pc) 1.380539E-5
    Conjunction Distance (km) 1.221 km
    Relative Speed (km/s) 15.222 km/s
    Conjunction Risk Parameters R (Radial): -0.985 | I (In-track): 0.063 | C (Cross-track): -0.717
    Collision Risk Index (CRI) 0.58
    X Position (km) -6518.326 -6517.341
    Position Y (km) -867.162 -867.742
    Position Z (km) 2014.629 2014.199
    Velocity X (km/s) 2.391 -2.338
    Velocity Y (km/s) -1.917 0.724
    Velocity Z (km/s) 7.013 -7.212

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR-2-LAILA
    Semimajor Axis (a) 6946.330 km 6876.667 km
    Eccentricity (e) 0.011184 0.000281
    Inclination (i) 73.9245° 97.4061°
    RAAN 185.1072° 4.2348°
    Perigee Argument 353.2135° 100.8052°
    Mean Anomaly (M) 6.7528° 259.3500°
    Apogee 645.878 km 500.464 km
    Perigee 490.508 km 496.596 km
    Orbit Epoch 2026-10-18T23:19:56+0000 2026-10-19T03:52:45+0000

    COSMOS 2251 DEB & LEMUR-2-LAILA Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR-2-LAILA Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR-2-LAILA Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR-2-LAILA Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-LAILAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-LAILACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data