Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.989185E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T15:12:00+0800
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    1 Object 1

    AOE ID 24871
    NORAD ID 24871
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 28080
    NORAD ID 28080
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 920 DMSP 5D-3 F16 DEB
    Time of Closest Approach 2026-11-01T08:57:56+0000
    Collision Probability (Pc) 4.989185E-6
    Conjunction Distance (km) 1.414 km
    Relative Speed (km/s) 7.197 km/s
    Conjunction Risk Parameters R (Radial): -1.382 | I (In-track): -0.259 | C (Cross-track): 0.145
    Collision Risk Index (CRI) 0.49
    X Position (km) -1563.568 -1563.008
    Position Y (km) 393.746 393.536
    Position Z (km) 6940.881 6939.6
    Velocity X (km/s) -7.29 -4.091
    Velocity Y (km/s) -0.304 6.132
    Velocity Z (km/s) -1.629 -1.263

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 920 DMSP 5D-3 F16 DEB
    Semimajor Axis (a) 7130.166 km 7133.453 km
    Eccentricity (e) 0.001013 0.000540
    Inclination (i) 86.4006° 98.6023°
    RAAN 1.8006° 304.6161°
    Perigee Argument 216.1063° 40.4753°
    Mean Anomaly (M) 143.9454° 319.6836°
    Apogee 759.254 km 759.166 km
    Perigee 744.804 km 751.466 km
    Orbit Epoch 2026-10-31T20:49:58+0000 2026-10-31T19:10:21+0000

    IRIDIUM 920 & DMSP 5D-3 F16 DEB Collision Probability (Pc) Trend

    IRIDIUM 920 & DMSP 5D-3 F16 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 920 & DMSP 5D-3 F16 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 920 & DMSP 5D-3 F16 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 920Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-3 F16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 920Collision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-3 F16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 920

    No nearby objects data