Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.581213E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T11:41:37+0800
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    1 Object 1

    AOE ID 28315
    NORAD ID 28315
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43928
    NORAD ID 43928
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F11 DEB IRIDIUM 175
    Time of Closest Approach 2026-11-05T03:00:15+0000
    Collision Probability (Pc) 1.581213E-6
    Conjunction Distance (km) 2.672 km
    Relative Speed (km/s) 14.984 km/s
    Conjunction Risk Parameters R (Radial): -2.487 | I (In-track): 0.059 | C (Cross-track): 0.975
    Collision Risk Index (CRI) 0.39
    X Position (km) -3985.836 -3986.482
    Position Y (km) -5286.271 -5288.737
    Position Z (km) 2623.204 2624.006
    Velocity X (km/s) -2.622 2.06
    Velocity Y (km/s) -1.425 1.906
    Velocity Z (km/s) -6.902 6.936

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F11 DEB IRIDIUM 175
    Semimajor Axis (a) 7190.987 km 7124.564 km
    Eccentricity (e) 0.010260 0.000511
    Inclination (i) 98.7922° 86.4539°
    RAAN 48.1322° 232.3388°
    Perigee Argument 181.9018° 107.0850°
    Mean Anomaly (M) 330.4937° 253.0912°
    Apogee 886.630 km 750.071 km
    Perigee 739.070 km 742.783 km
    Orbit Epoch 2026-11-03T18:55:45+0000 2026-11-03T07:39:12+0000

    DMSP 5D-2 F11 DEB & IRIDIUM 175 Collision Probability (Pc) Trend

    DMSP 5D-2 F11 DEB & IRIDIUM 175 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F11 DEB & IRIDIUM 175 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F11 DEB & IRIDIUM 175 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F11 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 175Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F11 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 175Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F11 DEB

    No nearby objects data