Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.403055E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:39:41+0800
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    1 Object 1

    AOE ID 36225
    NORAD ID 36225
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 51864
    NORAD ID 51864
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-3548
    Time of Closest Approach 2026-09-04T21:13:48+0000
    Collision Probability (Pc) 1.403055E-6
    Conjunction Distance (km) 2.835 km
    Relative Speed (km/s) 14.16 km/s
    Conjunction Risk Parameters R (Radial): 2.541 | I (In-track): 0.478 | C (Cross-track): -1.165
    Collision Risk Index (CRI) 0.38
    X Position (km) -3127.407 -3127.362
    Position Y (km) -3849.198 -3847.481
    Position Z (km) -4718.366 -4716.111
    Velocity X (km/s) 1.977 3.039
    Velocity Y (km/s) 4.994 -6.27
    Velocity Z (km/s) -5.41 3.103

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-3548
    Semimajor Axis (a) 6835.910 km 6837.863 km
    Eccentricity (e) 0.002169 0.000103
    Inclination (i) 98.8285° 53.1597°
    RAAN 55.0693° 287.3081°
    Perigee Argument 129.9048° 73.5208°
    Mean Anomaly (M) 230.4102° 286.5908°
    Apogee 472.604 km 460.430 km
    Perigee 442.942 km 459.022 km
    Orbit Epoch 2026-09-01T06:17:04+0000 2026-09-02T13:14:54+0000

    FENGYUN 1C DEB & STARLINK-3548 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-3548 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-3548 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-3548 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3548Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3548Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data