Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.277233E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T03:51:58+0800
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    1 Object 1

    AOE ID 40447
    NORAD ID 40447
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43571
    NORAD ID 43571
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB IRIDIUM 158
    Time of Closest Approach 2026-11-05T21:09:39+0000
    Collision Probability (Pc) 7.277233E-5
    Conjunction Distance (km) 0.525 km
    Relative Speed (km/s) 3.2 km/s
    Conjunction Risk Parameters R (Radial): -0.436 | I (In-track): 0.284 | C (Cross-track): 0.064
    Collision Risk Index (CRI) 0.72
    X Position (km) 3525.591 3525.562
    Position Y (km) -543.534 -543.502
    Position Z (km) -6212.547 -6213.07
    Velocity X (km/s) 5.752 6.477
    Velocity Y (km/s) -3.16 -0.048
    Velocity Z (km/s) 3.537 3.682

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB IRIDIUM 158
    Semimajor Axis (a) 7163.470 km 7155.804 km
    Eccentricity (e) 0.001096 0.000215
    Inclination (i) 98.6291° 86.3999°
    RAAN 332.5782° 358.7795°
    Perigee Argument 276.9191° 94.9387°
    Mean Anomaly (M) 83.0745° 265.2055°
    Apogee 793.185 km 779.206 km
    Perigee 777.481 km 776.128 km
    Orbit Epoch 2026-11-02T12:56:57+0000 2026-11-02T21:26:26+0000

    DMSP 5D-2 F13 DEB & IRIDIUM 158 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & IRIDIUM 158 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & IRIDIUM 158 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & IRIDIUM 158 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 158Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 158Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data