Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.117342E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:05:01+0800
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    1 Object 1

    AOE ID 31455
    NORAD ID 31455
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43931
    NORAD ID 43931
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 167
    Time of Closest Approach 2026-09-16T14:32:35+0000
    Collision Probability (Pc) 1.117342E-6
    Conjunction Distance (km) 2.781 km
    Relative Speed (km/s) 9.09 km/s
    Conjunction Risk Parameters R (Radial): -1.436 | I (In-track): 1.91 | C (Cross-track): 1.421
    Collision Risk Index (CRI) 0.36
    X Position (km) 565.967 565.722
    Position Y (km) -1183.083 -1181.004
    Position Z (km) -7042.183 -7044.013
    Velocity X (km/s) -3.701 5.281
    Velocity Y (km/s) -6.443 -5.094
    Velocity Z (km/s) 0.93 1.279

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 167
    Semimajor Axis (a) 7231.633 km 7155.805 km
    Eccentricity (e) 0.021691 0.000210
    Inclination (i) 98.6008° 86.3980°
    RAAN 239.8634° 315.8318°
    Perigee Argument 342.3838° 89.3948°
    Mean Anomaly (M) 16.9893° 270.7488°
    Apogee 1010.357 km 779.168 km
    Perigee 696.635 km 776.168 km
    Orbit Epoch 2026-09-15T04:54:22+0000 2026-09-15T13:47:59+0000

    FENGYUN 1C DEB & IRIDIUM 167 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 167 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 167 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 167 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 167Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 167Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data