Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.773795E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T13:10:55+0800
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    1 Object 1

    AOE ID 30641
    NORAD ID 30641
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53841
    NORAD ID 53841
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-4750
    Time of Closest Approach 2026-09-06T19:41:12+0000
    Collision Probability (Pc) 9.773795E-7
    Conjunction Distance (km) 2.652 km
    Relative Speed (km/s) 6.363 km/s
    Conjunction Risk Parameters R (Radial): 0.661 | I (In-track): -2.34 | C (Cross-track): -1.054
    Collision Risk Index (CRI) 0.35
    X Position (km) -5185.758 -5184.156
    Position Y (km) -3882.984 -3882.644
    Position Z (km) 2421.266 2423.352
    Velocity X (km/s) 1.333 4.557
    Velocity Y (km/s) 2.586 -2.66
    Velocity Z (km/s) 7.065 5.463

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-4750
    Semimajor Axis (a) 7002.247 km 6917.894 km
    Eccentricity (e) 0.012963 0.000100
    Inclination (i) 98.9693° 53.1605°
    RAAN 218.7195° 205.0302°
    Perigee Argument 6.3902° 82.5724°
    Mean Anomaly (M) 117.4452° 277.5381°
    Apogee 714.882 km 540.451 km
    Perigee 533.338 km 539.063 km
    Orbit Epoch 2026-09-05T11:44:14+0000 2026-09-05T19:43:33+0000

    FENGYUN 1C DEB & STARLINK-4750 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-4750 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-4750 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-4750 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4750Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4750Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data