Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.407223E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T11:35:26+0800
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    1 Object 1

    AOE ID 40395
    NORAD ID 40395
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43576
    NORAD ID 43576
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB IRIDIUM 156
    Time of Closest Approach 2026-10-31T17:03:19+0000
    Collision Probability (Pc) 7.407223E-7
    Conjunction Distance (km) 2.849 km
    Relative Speed (km/s) 4.565 km/s
    Conjunction Risk Parameters R (Radial): 2.823 | I (In-track): -0.36 | C (Cross-track): -0.125
    Collision Risk Index (CRI) 0.32
    X Position (km) 2466.466 2465.832
    Position Y (km) -437.223 -437.17
    Position Z (km) -6715.488 -6712.711
    Velocity X (km/s) 5.664 6.993
    Velocity Y (km/s) -4.241 0.12
    Velocity Z (km/s) 2.342 2.562

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB IRIDIUM 156
    Semimajor Axis (a) 7168.960 km 7155.805 km
    Eccentricity (e) 0.002190 0.000215
    Inclination (i) 98.5907° 86.4000°
    RAAN 325.1559° 0.2678°
    Perigee Argument 235.0832° 97.1024°
    Mean Anomaly (M) 124.8293° 263.0416°
    Apogee 806.526 km 779.203 km
    Perigee 775.120 km 776.133 km
    Orbit Epoch 2026-10-30T19:33:44+0000 2026-10-30T06:13:02+0000

    DMSP 5D-2 F13 DEB & IRIDIUM 156 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & IRIDIUM 156 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & IRIDIUM 156 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & IRIDIUM 156 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 156Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 156Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data