Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.929305E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T00:50:46+0800
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    1 Object 1

    AOE ID 25344
    NORAD ID 25344
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 41526
    NORAD ID 41526
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 73 NOAA 16 DEB
    Time of Closest Approach 2026-10-18T20:14:48+0000
    Collision Probability (Pc) 5.929305E-6
    Conjunction Distance (km) 1.335 km
    Relative Speed (km/s) 7.008 km/s
    Conjunction Risk Parameters R (Radial): 1.335 | I (In-track): 0.002 | C (Cross-track): -0.009
    Collision Risk Index (CRI) 0.5
    X Position (km) -1693.222 -1693.539
    Position Y (km) -135.154 -135.189
    Position Z (km) -6899.484 -6900.78
    Velocity X (km/s) -6.837 -5.868
    Velocity Y (km/s) -2.492 4.438
    Velocity Z (km/s) 1.727 1.342

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 73 NOAA 16 DEB
    Semimajor Axis (a) 7096.299 km 7097.907 km
    Eccentricity (e) 0.000253 0.001568
    Inclination (i) 86.4473° 98.9884°
    RAAN 199.4664° 143.1711°
    Perigee Argument 98.1629° 185.7054°
    Mean Anomaly (M) 261.9864° 174.3962°
    Apogee 719.958 km 730.898 km
    Perigee 716.366 km 708.642 km
    Orbit Epoch 2026-10-18T04:03:47+0000 2026-10-17T13:11:09+0000

    IRIDIUM 73 & NOAA 16 DEB Collision Probability (Pc) Trend

    IRIDIUM 73 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 73 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 73 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 73Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 73Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 73

    No nearby objects data