Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.590768E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:37:52+0800
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    1 Object 1

    AOE ID 31686
    NORAD ID 31686
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 49460
    NORAD ID 49460
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-3140
    Time of Closest Approach 2026-09-12T21:30:19+0000
    Collision Probability (Pc) 1.590768E-6
    Conjunction Distance (km) 2.518 km
    Relative Speed (km/s) 12.807 km/s
    Conjunction Risk Parameters R (Radial): 1.43 | I (In-track): -1.138 | C (Cross-track): -1.732
    Collision Risk Index (CRI) 0.39
    X Position (km) 4017.99 4018.683
    Position Y (km) -1091.671 -1090.395
    Position Z (km) -5432.849 -5430.792
    Velocity X (km/s) 5.311 0.99
    Velocity Y (km/s) -3.303 7.521
    Velocity Z (km/s) 4.529 -0.778

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-3140
    Semimajor Axis (a) 7018.751 km 6837.886 km
    Eccentricity (e) 0.026614 0.000107
    Inclination (i) 98.1258° 53.1595°
    RAAN 330.3158° 95.9729°
    Perigee Argument 303.7686° 84.0206°
    Mean Anomaly (M) 81.5174° 276.0918°
    Apogee 827.412 km 460.478 km
    Perigee 453.816 km 459.020 km
    Orbit Epoch 2026-09-09T04:24:20+0000 2026-09-10T23:03:41+0000

    FENGYUN 1C DEB & STARLINK-3140 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-3140 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-3140 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-3140 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3140Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3140Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data