Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.446548E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T07:33:53+0800
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    1 Object 1

    AOE ID 32356
    NORAD ID 32356
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43910
    NORAD ID 43910
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-1B
    Time of Closest Approach 2026-09-15T06:53:07+0000
    Collision Probability (Pc) 2.446548E-5
    Conjunction Distance (km) 1.018 km
    Relative Speed (km/s) 13.937 km/s
    Conjunction Risk Parameters R (Radial): 0.939 | I (In-track): -0.135 | C (Cross-track): -0.368
    Collision Risk Index (CRI) 0.63
    X Position (km) -4280.158 -4279.282
    Position Y (km) -3197.522 -3197.246
    Position Z (km) 4776.31 4775.87
    Velocity X (km/s) 2.554 1.832
    Velocity Y (km/s) 4.625 -6.662
    Velocity Z (km/s) 5.325 -2.817

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-1B
    Semimajor Axis (a) 7254.314 km 7173.110 km
    Eccentricity (e) 0.012358 0.000493
    Inclination (i) 102.4941° 50.0095°
    RAAN 224.8612° 92.6185°
    Perigee Argument 69.1797° 171.9774°
    Mean Anomaly (M) 292.2543° 188.1221°
    Apogee 965.828 km 798.509 km
    Perigee 786.526 km 791.437 km
    Orbit Epoch 2026-09-12T20:35:01+0000 2026-09-13T14:02:57+0000

    FENGYUN 1C DEB & YUNHAI 2-1B Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YUNHAI 2-1B Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YUNHAI 2-1B Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YUNHAI 2-1B Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data