Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.802239E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:23:53+0800
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    1 Object 1

    AOE ID 31031
    NORAD ID 31031
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 60385
    NORAD ID 60385
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-7
    Time of Closest Approach 2026-09-13T06:40:33+0000
    Collision Probability (Pc) 1.802239E-5
    Conjunction Distance (km) 1.021 km
    Relative Speed (km/s) 9.171 km/s
    Conjunction Risk Parameters R (Radial): 0.228 | I (In-track): -0.788 | C (Cross-track): 0.607
    Collision Risk Index (CRI) 0.6
    X Position (km) 304.223 304.926
    Position Y (km) 1167.263 1167.904
    Position Z (km) 7070.956 7070.589
    Velocity X (km/s) 7.416 1.075
    Velocity Y (km/s) 0.69 7.265
    Velocity Z (km/s) -0.442 -1.254

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-7
    Semimajor Axis (a) 7198.689 km 7176.925 km
    Eccentricity (e) 0.002856 0.001338
    Inclination (i) 99.0747° 88.9719°
    RAAN 182.5266° 261.6808°
    Perigee Argument 130.8482° 217.0983°
    Mean Anomaly (M) 288.1075° 142.9288°
    Apogee 841.112 km 808.392 km
    Perigee 799.992 km 789.184 km
    Orbit Epoch 2026-09-10T00:48:06+0000 2026-09-10T22:42:29+0000

    FENGYUN 1C DEB & QIANFAN-7 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-7 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-7 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-7 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-7Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-7Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data