Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.069174E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T13:23:44+0800
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    1 Object 1

    AOE ID 25042
    NORAD ID 25042
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 41230
    NORAD ID 41230
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 39 NOAA 16 DEB
    Time of Closest Approach 2026-10-27T09:51:31+0000
    Collision Probability (Pc) 7.069174E-5
    Conjunction Distance (km) 0.748 km
    Relative Speed (km/s) 14.926 km/s
    Conjunction Risk Parameters R (Radial): -0.639 | I (In-track): -0.021 | C (Cross-track): -0.386
    Collision Risk Index (CRI) 0.72
    X Position (km) 5941.917 5941.386
    Position Y (km) -473.012 -472.585
    Position Z (km) -3888.778 -3888.471
    Velocity X (km/s) 4.092 -4.097
    Velocity Y (km/s) 0.237 -1.072
    Velocity Z (km/s) 6.254 -6.156

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 39 NOAA 16 DEB
    Semimajor Axis (a) 7104.189 km 7092.943 km
    Eccentricity (e) 0.001984 0.002851
    Inclination (i) 86.3946° 98.9857°
    RAAN 358.1585° 180.0062°
    Perigee Argument 87.8958° 67.8822°
    Mean Anomaly (M) 272.4518° 292.5394°
    Apogee 740.145 km 735.026 km
    Perigee 711.959 km 694.586 km
    Orbit Epoch 2026-10-26T14:08:07+0000 2026-10-26T03:08:23+0000

    IRIDIUM 39 & NOAA 16 DEB Collision Probability (Pc) Trend

    IRIDIUM 39 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 39 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 39 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 39Miss 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 39Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 39

    No nearby objects data