Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.195224E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T16:31:37+0800
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    1 Object 1

    AOE ID 31929
    NORAD ID 31929
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43927
    NORAD ID 43927
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 172
    Time of Closest Approach 2026-11-01T12:50:11+0000
    Collision Probability (Pc) 2.195224E-4
    Conjunction Distance (km) 0.481 km
    Relative Speed (km/s) 14.395 km/s
    Conjunction Risk Parameters R (Radial): -0.15 | I (In-track): 0.126 | C (Cross-track): 0.44
    Collision Risk Index (CRI) 0.82
    X Position (km) -1028.575 -1028.11
    Position Y (km) 1090.223 1090.298
    Position Z (km) -7006.421 -7006.324
    Velocity X (km/s) 0.579 3.134
    Velocity Y (km/s) 7.354 -6.591
    Velocity Z (km/s) 1.004 -1.486

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 172
    Semimajor Axis (a) 7150.810 km 7155.805 km
    Eccentricity (e) 0.007311 0.000221
    Inclination (i) 98.8329° 86.3921°
    RAAN 85.7972° 296.3582°
    Perigee Argument 182.9742° 88.8401°
    Mean Anomaly (M) 177.1018° 271.3048°
    Apogee 824.955 km 779.249 km
    Perigee 720.391 km 776.087 km
    Orbit Epoch 2026-10-31T15:28:37+0000 2026-11-01T01:35:19+0000

    FENGYUN 1C DEB & IRIDIUM 172 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 172 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 172 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 172 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 172Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 172Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data