Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.376343E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T23:05:47+0800
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    1 Object 1

    AOE ID 31416
    NORAD ID 31416
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43922
    NORAD ID 43922
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 180
    Time of Closest Approach 2026-09-15T15:14:08+0000
    Collision Probability (Pc) 9.376343E-7
    Conjunction Distance (km) 2.034 km
    Relative Speed (km/s) 2.404 km/s
    Conjunction Risk Parameters R (Radial): 1.963 | I (In-track): 0.505 | C (Cross-track): 0.163
    Collision Risk Index (CRI) 0.34
    X Position (km) 3727.611 3726.951
    Position Y (km) -3165.275 -3164.563
    Position Z (km) 5219.798 5218.012
    Velocity X (km/s) -5.195 -3.697
    Velocity Y (km/s) 2.17 4.039
    Velocity Z (km/s) 4.883 5.077

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 180
    Semimajor Axis (a) 7132.809 km 7155.804 km
    Eccentricity (e) 0.013339 0.000221
    Inclination (i) 99.0182° 86.3980°
    RAAN 328.1690° 316.0185°
    Perigee Argument 156.5793° 95.8894°
    Mean Anomaly (M) 204.1547° 264.2555°
    Apogee 849.816 km 779.251 km
    Perigee 659.528 km 776.083 km
    Orbit Epoch 2026-09-14T10:41:05+0000 2026-09-15T03:17:47+0000

    FENGYUN 1C DEB & IRIDIUM 180 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 180 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 180 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 180 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 180Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 180Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data