Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.819015E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:15:58+0800
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    1 Object 1

    AOE ID 34681
    NORAD ID 34681
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name YAM-12
    AOE ID 69003
    NORAD ID 69003
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB YAM-12
    Time of Closest Approach 2026-10-21T02:13:43+0000
    Collision Probability (Pc) 1.819015E-4
    Conjunction Distance (km) 0.527 km
    Relative Speed (km/s) 14.828 km/s
    Conjunction Risk Parameters R (Radial): -0.526 | I (In-track): 0.001 | C (Cross-track): -0.001
    Collision Risk Index (CRI) 0.8
    X Position (km) 2959.115 2958.892
    Position Y (km) -385.496 -385.465
    Position Z (km) -6313.718 -6313.242
    Velocity X (km/s) 5.802 -6.725
    Velocity Y (km/s) 4.138 -1.533
    Velocity Z (km/s) 2.487 -3.059

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB YAM-12
    Semimajor Axis (a) 6979.899 km 6974.673 km
    Eccentricity (e) 0.002374 0.000142
    Inclination (i) 74.0620° 97.7728°
    RAAN 31.4847° 188.4719°
    Perigee Argument 10.4746° 68.1219°
    Mean Anomaly (M) 15.3193° 292.0150°
    Apogee 618.333 km 597.526 km
    Perigee 585.191 km 595.546 km
    Orbit Epoch 2026-10-20T05:41:29+0000 2026-10-20T04:10:59+0000

    COSMOS 2251 DEB & YAM-12 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & YAM-12 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & YAM-12 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & YAM-12 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAM-12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAM-12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data