Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.282906E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T13:23:44+0800
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    1 Object 1

    AOE ID 25042
    NORAD ID 25042
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 36074
    NORAD ID 36074
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 39 COSMOS 2251 DEB
    Time of Closest Approach 2026-10-29T12:11:40+0000
    Collision Probability (Pc) 1.282906E-6
    Conjunction Distance (km) 2.798 km
    Relative Speed (km/s) 11.748 km/s
    Conjunction Risk Parameters R (Radial): 1.138 | I (In-track): 1.592 | C (Cross-track): 2
    Collision Risk Index (CRI) 0.37
    X Position (km) -2085.281 -2087.242
    Position Y (km) 538.896 537.041
    Position Z (km) 6749.704 6750.439
    Velocity X (km/s) -7.165 1.218
    Velocity Y (km/s) 0.247 -7.352
    Velocity Z (km/s) -2.221 0.94

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 39 COSMOS 2251 DEB
    Semimajor Axis (a) 7104.189 km 7118.537 km
    Eccentricity (e) 0.001984 0.004349
    Inclination (i) 86.3946° 73.9869°
    RAAN 358.1585° 109.5303°
    Perigee Argument 87.8958° 127.5820°
    Mean Anomaly (M) 272.4518° 232.9300°
    Apogee 740.145 km 771.359 km
    Perigee 711.959 km 709.441 km
    Orbit Epoch 2026-10-26T14:08:07+0000 2026-10-25T04:50:02+0000

    IRIDIUM 39 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    IRIDIUM 39 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 39 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 39 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 39Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 39Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 39

    No nearby objects data