Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.49742E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:33:55+0800
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    1 Object 1

    AOE ID 47041
    NORAD ID 47041
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 48367
    NORAD ID 48367
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB * STARLINK-2643
    Time of Closest Approach 2026-09-04T16:46:19+0000
    Collision Probability (Pc) 2.49742E-4
    Conjunction Distance (km) 0.408 km
    Relative Speed (km/s) 9.789 km/s
    Conjunction Risk Parameters R (Radial): -0.359 | I (In-track): 0.153 | C (Cross-track): 0.116
    Collision Risk Index (CRI) 0.83
    X Position (km) 1754.681 1754.736
    Position Y (km) -4095.856 -4096.225
    Position Z (km) 5190.952 5191.117
    Velocity X (km/s) -3.769 5.572
    Velocity Y (km/s) 4.538 4.847
    Velocity Z (km/s) 4.847 1.936

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB * STARLINK-2643
    Semimajor Axis (a) 6850.588 km 6848.903 km
    Eccentricity (e) 0.000717 0.000132
    Inclination (i) 98.2254° 53.1604°
    RAAN 299.2605° 239.0862°
    Perigee Argument 28.4240° 96.6527°
    Mean Anomaly (M) 331.7388° 263.4625°
    Apogee 477.364 km 471.672 km
    Perigee 467.538 km 469.860 km
    Orbit Epoch 2026-09-01T10:08:21+0000 2026-09-03T06:00:33+0000

    FENGYUN 1C DEB * & STARLINK-2643 Collision Probability (Pc) Trend

    FENGYUN 1C DEB * & STARLINK-2643 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB * & STARLINK-2643 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB * & STARLINK-2643 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2643Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2643Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB *

    No nearby objects data