Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.949082E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-10T04:50:34+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 65379
    NORAD ID 65379
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34985
    Time of Closest Approach 2026-11-11T06:23:11+0000
    Collision Probability (Pc) 3.949082E-6
    Conjunction Distance (km) 1.547 km
    Relative Speed (km/s) 7.8 km/s
    Conjunction Risk Parameters R (Radial): 1.491 | I (In-track): -0.352 | C (Cross-track): -0.215
    Collision Risk Index (CRI) 0.47
    X Position (km) 845.35 845.886
    Position Y (km) -854.822 -854.793
    Position Z (km) -6744.246 -6745.697
    Velocity X (km/s) -3.525 -7.557
    Velocity Y (km/s) -6.732 -0.189
    Velocity Z (km/s) 0.409 -0.924

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34985
    Semimajor Axis (a) 6835.831 km 6843.607 km
    Eccentricity (e) 0.001954 0.000216
    Inclination (i) 99.6045° 97.2832°
    RAAN 240.2726° 178.8863°
    Perigee Argument 107.2284° 87.7433°
    Mean Anomaly (M) 253.1094° 272.4057°
    Apogee 471.053 km 466.946 km
    Perigee 444.335 km 463.994 km
    Orbit Epoch 2026-11-09T06:19:49+0000 2026-11-09T14:05:33+0000

    FENGYUN 1C DEB & STARLINK-34985 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34985 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34985 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34985 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34985Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34985Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data