Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.618082E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T21:25:06+0800
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    1 Object 1

    AOE ID 34430
    NORAD ID 34430
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 43250
    NORAD ID 43250
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB IRIDIUM 149
    Time of Closest Approach 2026-10-25T12:56:05+0000
    Collision Probability (Pc) 1.618082E-4
    Conjunction Distance (km) 0.549 km
    Relative Speed (km/s) 14.397 km/s
    Conjunction Risk Parameters R (Radial): -0.206 | I (In-track): -0.123 | C (Cross-track): 0.493
    Collision Risk Index (CRI) 0.79
    X Position (km) 2399.441 2399.838
    Position Y (km) 4135.475 4135.163
    Position Z (km) -5335.352 -5335.138
    Velocity X (km/s) -0.13 -3.38
    Velocity Y (km/s) 5.883 -4.425
    Velocity Z (km/s) 4.556 -4.954

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB IRIDIUM 149
    Semimajor Axis (a) 7135.744 km 7155.805 km
    Eccentricity (e) 0.005992 0.000201
    Inclination (i) 74.0498° 86.3970°
    RAAN 81.6763° 236.3537°
    Perigee Argument 74.1272° 82.3902°
    Mean Anomaly (M) 286.6476° 277.7522°
    Apogee 800.361 km 779.110 km
    Perigee 714.853 km 776.226 km
    Orbit Epoch 2026-10-23T19:29:41+0000 2026-10-24T07:24:31+0000

    COSMOS 2251 DEB & IRIDIUM 149 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & IRIDIUM 149 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & IRIDIUM 149 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & IRIDIUM 149 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 149Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 149Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data