Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.729356E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:33:58+0800
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    1 Object 1

    AOE ID 29771
    NORAD ID 29771
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67357
    NORAD ID 67357
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-36456
    Time of Closest Approach 2026-10-21T06:33:00+0000
    Collision Probability (Pc) 2.729356E-4
    Conjunction Distance (km) 0.434 km
    Relative Speed (km/s) 14.448 km/s
    Conjunction Risk Parameters R (Radial): 0.434 | I (In-track): 0.009 | C (Cross-track): 0.002
    Collision Risk Index (CRI) 0.84
    X Position (km) 5526.868 5527.218
    Position Y (km) 4049.031 4049.288
    Position Z (km) 348.583 348.597
    Velocity X (km/s) 1.072 -3.516
    Velocity Y (km/s) -0.793 4.345
    Velocity Z (km/s) -7.511 5.188

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-36456
    Semimajor Axis (a) 6865.170 km 6861.080 km
    Eccentricity (e) 0.001185 0.000172
    Inclination (i) 99.6058° 43.0012°
    RAAN 214.6823° 38.2738°
    Perigee Argument 143.9429° 255.7857°
    Mean Anomaly (M) 216.2604° 104.2803°
    Apogee 495.171 km 484.127 km
    Perigee 478.895 km 481.759 km
    Orbit Epoch 2026-10-20T10:53:57+0000 2026-10-20T08:33:45+0000

    FENGYUN 1C DEB & STARLINK-36456 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-36456 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-36456 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-36456 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36456Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36456Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data