Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.641169E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:39:19+0800
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    1 Object 1

    AOE ID 43250
    NORAD ID 43250
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43415
    NORAD ID 43415
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 149 DMSP 5D-3 F19 DEB
    Time of Closest Approach 2026-10-28T11:24:57+0000
    Collision Probability (Pc) 1.641169E-6
    Conjunction Distance (km) 2.326 km
    Relative Speed (km/s) 10.516 km/s
    Conjunction Risk Parameters R (Radial): 0.445 | I (In-track): 1.617 | C (Cross-track): 1.613
    Collision Risk Index (CRI) 0.39
    X Position (km) 259.377 258.989
    Position Y (km) 1134.265 1136.421
    Position Z (km) -7069.638 -7068.856
    Velocity X (km/s) -4.322 6.045
    Velocity Y (km/s) -5.963 -4.324
    Velocity Z (km/s) -1.115 -0.469

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 149 DMSP 5D-3 F19 DEB
    Semimajor Axis (a) 7155.805 km 7153.478 km
    Eccentricity (e) 0.000210 0.000831
    Inclination (i) 86.3973° 98.6069°
    RAAN 235.2747° 322.3663°
    Perigee Argument 82.5632° 36.9782°
    Mean Anomaly (M) 277.5802° 323.1974°
    Apogee 779.171 km 781.287 km
    Perigee 776.165 km 769.395 km
    Orbit Epoch 2026-10-26T21:21:47+0000 2026-10-26T23:02:04+0000

    IRIDIUM 149 & DMSP 5D-3 F19 DEB Collision Probability (Pc) Trend

    IRIDIUM 149 & DMSP 5D-3 F19 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 149 & DMSP 5D-3 F19 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 149 & DMSP 5D-3 F19 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 149Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-3 F19 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 149Collision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-3 F19 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 149

    No nearby objects data