Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.850456E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T06:46:49+0800
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    1 Object 1

    AOE ID 38513
    NORAD ID 38513
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68821
    NORAD ID 68821
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37421
    Time of Closest Approach 2026-09-09T23:02:47+0000
    Collision Probability (Pc) 8.850456E-7
    Conjunction Distance (km) 2.794 km
    Relative Speed (km/s) 6.065 km/s
    Conjunction Risk Parameters R (Radial): 1.748 | I (In-track): 2.018 | C (Cross-track): 0.825
    Collision Risk Index (CRI) 0.34
    X Position (km) 789.756 788.419
    Position Y (km) 556.322 558.039
    Position Z (km) 6767.139 6765.388
    Velocity X (km/s) 6.355 1.24
    Velocity Y (km/s) -4.365 -7.519
    Velocity Z (km/s) -0.337 0.475

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37421
    Semimajor Axis (a) 6997.770 km 6843.691 km
    Eccentricity (e) 0.022829 0.000332
    Inclination (i) 97.6017° 97.2835°
    RAAN 143.4552° 98.4392°
    Perigee Argument 86.0328° 73.1341°
    Mean Anomaly (M) 276.6949° 287.0266°
    Apogee 779.388 km 467.829 km
    Perigee 459.878 km 463.279 km
    Orbit Epoch 2026-09-07T10:43:56+0000 2026-09-09T11:42:31+0000

    FENGYUN 1C DEB & STARLINK-37421 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37421 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37421 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37421 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data