Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.183582E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:08:02+0800
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    1 Object 1

    AOE ID 30688
    NORAD ID 30688
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 42962
    NORAD ID 42962
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 136
    Time of Closest Approach 2026-09-11T05:35:55+0000
    Collision Probability (Pc) 1.183582E-6
    Conjunction Distance (km) 1.864 km
    Relative Speed (km/s) 2.547 km/s
    Conjunction Risk Parameters R (Radial): 1.282 | I (In-track): 1.331 | C (Cross-track): -0.24
    Collision Risk Index (CRI) 0.36
    X Position (km) -4337.931 -4336.17
    Position Y (km) 1175.936 1175.348
    Position Z (km) 5562.316 5562.166
    Velocity X (km/s) -4.968 -5.779
    Velocity Y (km/s) 3.206 0.794
    Velocity Z (km/s) -4.557 -4.661

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 136
    Semimajor Axis (a) 7154.114 km 7155.805 km
    Eccentricity (e) 0.001582 0.000216
    Inclination (i) 98.6885° 86.4029°
    RAAN 332.7306° 349.6022°
    Perigee Argument 231.0918° 94.6369°
    Mean Anomaly (M) 251.1738° 265.5074°
    Apogee 787.299 km 779.216 km
    Perigee 764.655 km 776.120 km
    Orbit Epoch 2026-09-10T01:07:02+0000 2026-09-10T12:15:23+0000

    FENGYUN 1C DEB & IRIDIUM 136 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 136 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 136 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 136 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 136Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 136Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data