Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.930263E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:03:28+0800
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    1 Object 1

    AOE ID 31623
    NORAD ID 31623
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 60387
    NORAD ID 60387
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-9
    Time of Closest Approach 2026-09-12T14:02:29+0000
    Collision Probability (Pc) 3.930263E-6
    Conjunction Distance (km) 1.761 km
    Relative Speed (km/s) 14.067 km/s
    Conjunction Risk Parameters R (Radial): -0.209 | I (In-track): 0.473 | C (Cross-track): 1.683
    Collision Risk Index (CRI) 0.47
    X Position (km) 156.043 157.735
    Position Y (km) -1694.998 -1695.479
    Position Z (km) 7232.31 7232.376
    Velocity X (km/s) -3.668 -0.085
    Velocity Y (km/s) -6.148 7.136
    Velocity Z (km/s) -1.263 1.662

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-9
    Semimajor Axis (a) 7332.043 km 7446.640 km
    Eccentricity (e) 0.019307 0.001801
    Inclination (i) 97.6323° 88.9672°
    RAAN 58.5748° 271.0926°
    Perigee Argument 328.8788° 127.2519°
    Mean Anomaly (M) 30.1050° 233.0279°
    Apogee 1095.467 km 1081.917 km
    Perigee 812.345 km 1055.089 km
    Orbit Epoch 2026-09-10T04:15:04+0000 2026-09-10T22:33:30+0000

    FENGYUN 1C DEB & QIANFAN-9 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-9 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-9 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-9 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data