Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.097938E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:20:42+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 53658
    NORAD ID 53658
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-4452
    Time of Closest Approach 2026-09-05T05:13:32+0000
    Collision Probability (Pc) 1.097938E-6
    Conjunction Distance (km) 2.692 km
    Relative Speed (km/s) 8.135 km/s
    Conjunction Risk Parameters R (Radial): 1.972 | I (In-track): 1.548 | C (Cross-track): 0.985
    Collision Risk Index (CRI) 0.36
    X Position (km) -1142.841 -1142.445
    Position Y (km) 124.242 122.375
    Position Z (km) -6757.046 -6755.147
    Velocity X (km/s) 3.747 -4.266
    Velocity Y (km/s) 6.601 6.253
    Velocity Z (km/s) -0.521 0.835

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-4452
    Semimajor Axis (a) 6835.039 km 6843.704 km
    Eccentricity (e) 0.002118 0.000164
    Inclination (i) 98.8292° 97.2849°
    RAAN 57.4896° 124.0344°
    Perigee Argument 122.8754° 88.4724°
    Mean Anomaly (M) 237.4528° 271.6707°
    Apogee 471.380 km 466.688 km
    Perigee 442.424 km 464.446 km
    Orbit Epoch 2026-09-03T06:44:44+0000 2026-09-04T02:57:57+0000

    FENGYUN 1C DEB & STARLINK-4452 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-4452 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-4452 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-4452 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4452Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4452Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data