Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.815061E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:51:09+0800
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    1 Object 1

    AOE ID 24795
    NORAD ID 24795
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 31608
    NORAD ID 31608
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 5 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-17T02:25:40+0000
    Collision Probability (Pc) 1.815061E-6
    Conjunction Distance (km) 2.464 km
    Relative Speed (km/s) 14.961 km/s
    Conjunction Risk Parameters R (Radial): 0.367 | I (In-track): -0.289 | C (Cross-track): -2.418
    Collision Risk Index (CRI) 0.4
    X Position (km) -1258.085 -1256.417
    Position Y (km) -2283.566 -2285.377
    Position Z (km) 6484.923 6485.004
    Velocity X (km/s) 4.426 -5.673
    Velocity Y (km/s) 5.397 -4.182
    Velocity Z (km/s) 2.809 -2.675

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 5 FENGYUN 1C DEB
    Semimajor Axis (a) 6948.000 km 6975.886 km
    Eccentricity (e) 0.009706 0.013487
    Inclination (i) 86.3853° 98.4106°
    RAAN 232.9145° 36.4472°
    Perigee Argument 299.0186° 223.3601°
    Mean Anomaly (M) 60.1345° 135.6942°
    Apogee 637.302 km 691.835 km
    Perigee 502.424 km 503.663 km
    Orbit Epoch 2026-09-15T08:28:07+0000 2026-09-14T03:00:42+0000

    IRIDIUM 5 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    IRIDIUM 5 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 5 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 5 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 5Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 5

    No nearby objects data