Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.544741E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T02:51:24+0800
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    1 Object 1

    AOE ID 23533
    NORAD ID 23533
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 33944
    NORAD ID 33944
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 (USA 109) COSMOS 2251 DEB
    Time of Closest Approach 2026-10-25T01:33:22+0000
    Collision Probability (Pc) 1.544741E-5
    Conjunction Distance (km) 1.159 km
    Relative Speed (km/s) 13.743 km/s
    Conjunction Risk Parameters R (Radial): -1.03 | I (In-track): -0.192 | C (Cross-track): 0.492
    Collision Risk Index (CRI) 0.59
    X Position (km) 1950.945 1950.182
    Position Y (km) -621.843 -621.926
    Position Z (km) -6929.089 -6928.221
    Velocity X (km/s) 4.486 0.577
    Velocity Y (km/s) -5.635 7.339
    Velocity Z (km/s) 1.766 -0.531

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 (USA 109) COSMOS 2251 DEB
    Semimajor Axis (a) 7213.482 km 7143.883 km
    Eccentricity (e) 0.000744 0.011213
    Inclination (i) 98.8017° 74.0383°
    RAAN 309.8871° 88.2516°
    Perigee Argument 138.4046° 111.0363°
    Mean Anomaly (M) 276.5897° 62.3441°
    Apogee 840.714 km 845.852 km
    Perigee 829.976 km 685.640 km
    Orbit Epoch 2026-10-24T05:50:16+0000 2026-10-24T05:05:26+0000

    DMSP 5D-2 F13 (USA 109) & COSMOS 2251 DEB Collision Probability (Pc) Trend

    DMSP 5D-2 F13 (USA 109) & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 (USA 109) & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 (USA 109) & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 (USA 109)Miss 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

    DMSP 5D-2 F13 (USA 109)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 (USA 109)

    No nearby objects data