Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.743314E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:46:11+0800
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    1 Object 1

    AOE ID 34761
    NORAD ID 34761
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 41921
    NORAD ID 41921
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB IRIDIUM 105
    Time of Closest Approach 2026-10-20T22:28:21+0000
    Collision Probability (Pc) 2.743314E-5
    Conjunction Distance (km) 0.985 km
    Relative Speed (km/s) 13.911 km/s
    Conjunction Risk Parameters R (Radial): 0.963 | I (In-track): -0.07 | C (Cross-track): 0.194
    Collision Risk Index (CRI) 0.64
    X Position (km) 3487.955 3487.533
    Position Y (km) -132.322 -132.105
    Position Z (km) -6257.813 -6256.95
    Velocity X (km/s) -5.188 6.483
    Velocity Y (km/s) 4.405 0.715
    Velocity Z (km/s) -3.008 3.601

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB IRIDIUM 105
    Semimajor Axis (a) 7139.961 km 7155.804 km
    Eccentricity (e) 0.003694 0.000235
    Inclination (i) 74.0265° 86.4017°
    RAAN 150.4792° 4.6236°
    Perigee Argument 113.9848° 89.9036°
    Mean Anomaly (M) 246.5182° 270.2429°
    Apogee 788.203 km 779.349 km
    Perigee 735.445 km 775.985 km
    Orbit Epoch 2026-10-19T00:17:25+0000 2026-10-20T04:20:17+0000

    COSMOS 2251 DEB & IRIDIUM 105 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & IRIDIUM 105 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & IRIDIUM 105 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & IRIDIUM 105 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 105Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 105Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data