Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.675979E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T23:46:26+0800
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    1 Object 1

    AOE ID 37717
    NORAD ID 37717
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 65453
    NORAD ID 65453
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34988
    Time of Closest Approach 2026-09-05T04:20:53+0000
    Collision Probability (Pc) 9.675979E-6
    Conjunction Distance (km) 1.336 km
    Relative Speed (km/s) 14.298 km/s
    Conjunction Risk Parameters R (Radial): -1.32 | I (In-track): 0.078 | C (Cross-track): 0.187
    Collision Risk Index (CRI) 0.55
    X Position (km) 356.558 356.428
    Position Y (km) 2883.423 2884.013
    Position Z (km) 6281.558 6282.749
    Velocity X (km/s) 3.512 1.474
    Velocity Y (km/s) 6.028 -6.798
    Velocity Z (km/s) -2.951 3.031

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34988
    Semimajor Axis (a) 6904.306 km 6930.129 km
    Eccentricity (e) 0.003565 0.000222
    Inclination (i) 98.7485° 97.2970°
    RAAN 240.7763° 97.9585°
    Perigee Argument 319.3059° 68.7055°
    Mean Anomaly (M) 164.3587° 291.4408°
    Apogee 550.783 km 553.529 km
    Perigee 501.555 km 550.455 km
    Orbit Epoch 2026-09-02T19:16:04+0000 2026-09-04T00:55:32+0000

    FENGYUN 1C DEB & STARLINK-34988 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34988 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34988 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34988 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34988Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34988Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data