Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.689335E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:00:56+0800
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    1 Object 1

    AOE ID 34128
    NORAD ID 34128
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name HYDRA-3
    AOE ID 69022
    NORAD ID 69022
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter COSMOS 2251 DEB HYDRA-3
    Time of Closest Approach 2026-10-20T06:48:33+0000
    Collision Probability (Pc) 1.689335E-5
    Conjunction Distance (km) 1.152 km
    Relative Speed (km/s) 15.176 km/s
    Conjunction Risk Parameters R (Radial): 1.094 | I (In-track): -0.039 | C (Cross-track): -0.359
    Collision Risk Index (CRI) 0.6
    X Position (km) -6794.92 -6796.055
    Position Y (km) -969.011 -968.813
    Position Z (km) 502.221 502.239
    Velocity X (km/s) -0.25 0.413
    Velocity Y (km/s) -2.159 1.049
    Velocity Z (km/s) -7.289 7.528

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB HYDRA-3
    Semimajor Axis (a) 6869.181 km 6881.020 km
    Eccentricity (e) 0.002092 0.000281
    Inclination (i) 73.9877° 97.3862°
    RAAN 11.5989° 187.5596°
    Perigee Argument 37.8354° 290.2981°
    Mean Anomaly (M) 351.8832° 69.7953°
    Apogee 505.411 km 504.814 km
    Perigee 476.677 km 500.952 km
    Orbit Epoch 2026-10-19T04:58:50+0000 2026-10-19T03:56:56+0000

    COSMOS 2251 DEB & HYDRA-3 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & HYDRA-3 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & HYDRA-3 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & HYDRA-3 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HYDRA-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HYDRA-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data