Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.125147E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-28T22:19:38+0800
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    1 Object 1

    AOE ID 30646
    NORAD ID 30646
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69809
    NORAD ID 69809
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-210
    Time of Closest Approach 2026-08-28T19:11:36+0000
    Collision Probability (Pc) 4.125147E-6
    Conjunction Distance (km) 1.648 km
    Relative Speed (km/s) 11.205 km/s
    Conjunction Risk Parameters R (Radial): 1.633 | I (In-track): 0.146 | C (Cross-track): 0.173
    Collision Risk Index (CRI) 0.47
    X Position (km) -1059.018 -1059.389
    Position Y (km) 236.878 237.114
    Position Z (km) 7136.332 7137.92
    Velocity X (km/s) 1.762 -7.31
    Velocity Y (km/s) 7.222 0.749
    Velocity Z (km/s) 0.056 -1.102

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-210
    Semimajor Axis (a) 7236.802 km 7232.409 km
    Eccentricity (e) 0.004834 0.000998
    Inclination (i) 98.6393° 88.9974°
    RAAN 255.4559° 354.0534°
    Perigee Argument 20.0874° 54.8750°
    Mean Anomaly (M) 340.2185° 305.3370°
    Apogee 893.649 km 861.492 km
    Perigee 823.681 km 847.052 km
    Orbit Epoch 2026-08-28T00:02:29+0000 2026-08-28T06:49:09+0000

    FENGYUN 1C DEB & QIANFAN-210 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-210 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-210 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-210 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-210Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-210Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data