Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.661252E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:14:50+0800
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    1 Object 1

    AOE ID 29917
    NORAD ID 29917
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69859
    NORAD ID 69859
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-230
    Time of Closest Approach 2026-09-07T10:04:39+0000
    Collision Probability (Pc) 7.661252E-7
    Conjunction Distance (km) 2.955 km
    Relative Speed (km/s) 5.269 km/s
    Conjunction Risk Parameters R (Radial): 0.457 | I (In-track): 2.724 | C (Cross-track): 1.052
    Collision Risk Index (CRI) 0.33
    X Position (km) -953.279 -952.692
    Position Y (km) -1586.298 -1583.633
    Position Z (km) -7239.45 -7240.583
    Velocity X (km/s) -1.047 4.069
    Velocity Y (km/s) 7.007 5.771
    Velocity Z (km/s) -1.537 -1.785

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-230
    Semimajor Axis (a) 7374.082 km 7404.178 km
    Eccentricity (e) 0.022303 0.003254
    Inclination (i) 98.8534° 89.0056°
    RAAN 94.1611° 55.3423°
    Perigee Argument 140.9316° 53.1209°
    Mean Anomaly (M) 234.5612° 307.2923°
    Apogee 1160.410 km 1050.132 km
    Perigee 831.480 km 1001.950 km
    Orbit Epoch 2026-09-04T19:36:13+0000 2026-09-04T17:07:19+0000

    FENGYUN 1C DEB & QIANFAN-230 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-230 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-230 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-230 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-230Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-230Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data