Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.380128E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:45:11+0800
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    1 Object 1

    AOE ID 31820
    NORAD ID 31820
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58558
    NORAD ID 58558
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YAOGAN-39 05B
    Time of Closest Approach 2026-09-14T11:41:40+0000
    Collision Probability (Pc) 1.380128E-6
    Conjunction Distance (km) 2.788 km
    Relative Speed (km/s) 13.221 km/s
    Conjunction Risk Parameters R (Radial): 2.776 | I (In-track): 0.146 | C (Cross-track): 0.222
    Collision Risk Index (CRI) 0.38
    X Position (km) 2851.888 2853.25
    Position Y (km) -5271.447 -5273.56
    Position Z (km) 3383.906 3385.111
    Velocity X (km/s) 0.533 5.699
    Velocity Y (km/s) -3.851 4.521
    Velocity Z (km/s) -6.583 2.248

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YAOGAN-39 05B
    Semimajor Axis (a) 6945.878 km 6894.218 km
    Eccentricity (e) 0.013415 0.001135
    Inclination (i) 98.9400° 34.9914°
    RAAN 110.5263° 259.0180°
    Perigee Argument 207.1493° 331.7823°
    Mean Anomaly (M) 152.2669° 28.2274°
    Apogee 660.923 km 523.909 km
    Perigee 474.559 km 508.253 km
    Orbit Epoch 2026-09-12T01:22:30+0000 2026-09-12T04:08:25+0000

    FENGYUN 1C DEB & YAOGAN-39 05B Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YAOGAN-39 05B Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YAOGAN-39 05B Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YAOGAN-39 05B Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 05BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 05BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data