Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.040829E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:56:12+0800
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    1 Object 1

    AOE ID 41824
    NORAD ID 41824
    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 2026-09-11T20:46:11+0000
    Collision Probability (Pc) 1.040829E-6
    Conjunction Distance (km) 1.808 km
    Relative Speed (km/s) 1.715 km/s
    Conjunction Risk Parameters R (Radial): -0.641 | I (In-track): -1.681 | C (Cross-track): 0.168
    Collision Risk Index (CRI) 0.35
    X Position (km) -5032.795 -5032.757
    Position Y (km) 4405.012 4405.049
    Position Z (km) -2558.751 -2560.557
    Velocity X (km/s) 2.756 1.667
    Velocity Y (km/s) -0.802 -2.126
    Velocity Z (km/s) -6.902 -6.953

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Semimajor Axis (a) 7184.211 km 7155.807 km
    Eccentricity (e) 0.005721 0.000225
    Inclination (i) 98.7128° 86.3989°
    RAAN 319.4800° 317.9936°
    Perigee Argument 162.3050° 95.9386°
    Mean Anomaly (M) 198.0140° 264.2066°
    Apogee 847.175 km 779.278 km
    Perigee 764.973 km 776.062 km
    Orbit Epoch 2026-09-09T03:49:45+0000 2026-09-10T12:01:19+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