Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.234387E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T05:04:08+0800
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    1 Object 1

    AOE ID 30707
    NORAD ID 30707
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43576
    NORAD ID 43576
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 156
    Time of Closest Approach 2026-10-25T10:06:06+0000
    Collision Probability (Pc) 2.234387E-6
    Conjunction Distance (km) 1.529 km
    Relative Speed (km/s) 3.003 km/s
    Conjunction Risk Parameters R (Radial): 1.519 | I (In-track): -0.171 | C (Cross-track): -0.039
    Collision Risk Index (CRI) 0.42
    X Position (km) -4002.928 -4003.918
    Position Y (km) -532.569 -532.713
    Position Z (km) -5915.787 -5916.941
    Velocity X (km/s) 5.563 6.171
    Velocity Y (km/s) 2.921 -0.016
    Velocity Z (km/s) -4.027 -4.177

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 156
    Semimajor Axis (a) 7175.040 km 7155.798 km
    Eccentricity (e) 0.002701 0.000209
    Inclination (i) 99.3952° 86.4011°
    RAAN 20.2914° 3.2107°
    Perigee Argument 243.1632° 97.1533°
    Mean Anomaly (M) 146.4358° 262.9901°
    Apogee 816.285 km 779.160 km
    Perigee 777.521 km 776.162 km
    Orbit Epoch 2026-10-24T04:33:23+0000 2026-10-23T05:05:54+0000

    FENGYUN 1C DEB & IRIDIUM 156 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 156 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 156 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 156 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 156Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 156Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data