Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.550844E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:34:01+0800
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    1 Object 1

    AOE ID 41516
    NORAD ID 41516
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 42805
    NORAD ID 42805
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB IRIDIUM 120
    Time of Closest Approach 2026-10-27T15:15:18+0000
    Collision Probability (Pc) 1.550844E-6
    Conjunction Distance (km) 2.58 km
    Relative Speed (km/s) 13.158 km/s
    Conjunction Risk Parameters R (Radial): -2.463 | I (In-track): 0.36 | C (Cross-track): -0.675
    Collision Risk Index (CRI) 0.39
    X Position (km) -384.951 -385.732
    Position Y (km) 1026.76 1027.509
    Position Z (km) -7077.928 -7080.27
    Velocity X (km/s) 6.426 -0.509
    Velocity Y (km/s) 3.757 -7.357
    Velocity Z (km/s) 0.19 -1.04

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB IRIDIUM 120
    Semimajor Axis (a) 7146.694 km 7155.805 km
    Eccentricity (e) 0.001373 0.000221
    Inclination (i) 98.6697° 86.3917°
    RAAN 28.8707° 266.8395°
    Perigee Argument 127.8745° 89.2303°
    Mean Anomaly (M) 232.3686° 270.9146°
    Apogee 778.372 km 779.252 km
    Perigee 758.742 km 776.084 km
    Orbit Epoch 2026-10-25T23:33:36+0000 2026-10-26T22:58:03+0000

    NOAA 16 DEB & IRIDIUM 120 Collision Probability (Pc) Trend

    NOAA 16 DEB & IRIDIUM 120 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & IRIDIUM 120 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & IRIDIUM 120 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 120Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 120Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data