Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.521241E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:06:32+0800
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    1 Object 1

    AOE ID 31471
    NORAD ID 31471
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 42807
    NORAD ID 42807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Time of Closest Approach 2026-10-28T09:08:49+0000
    Collision Probability (Pc) 1.521241E-6
    Conjunction Distance (km) 2.679 km
    Relative Speed (km/s) 14.113 km/s
    Conjunction Risk Parameters R (Radial): -0.187 | I (In-track): 0.878 | C (Cross-track): 2.524
    Collision Risk Index (CRI) 0.39
    X Position (km) -89.317 -87.52
    Position Y (km) 1112.659 1114.588
    Position Z (km) 7059.409 7058.938
    Velocity X (km/s) 6.9 -3.525
    Velocity Y (km/s) -2.895 6.495
    Velocity Z (km/s) 0.453 -1.067

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Semimajor Axis (a) 7213.350 km 7155.806 km
    Eccentricity (e) 0.014377 0.000218
    Inclination (i) 97.9547° 86.3920°
    RAAN 155.8528° 298.1494°
    Perigee Argument 144.9203° 90.0779°
    Mean Anomaly (M) 216.1546° 270.0667°
    Apogee 938.916 km 779.232 km
    Perigee 731.510 km 776.106 km
    Orbit Epoch 2026-10-27T09:01:03+0000 2026-10-27T22:38:39+0000

    FENGYUN 1C DEB & IRIDIUM 118 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 118 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 118 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 118 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 118Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 118Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data