Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.649816E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:57:22+0800
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    1 Object 1

    AOE ID 31281
    NORAD ID 31281
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56383
    NORAD ID 56383
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-6166
    Time of Closest Approach 2026-09-02T22:48:28+0000
    Collision Probability (Pc) 3.649816E-6
    Conjunction Distance (km) 1.799 km
    Relative Speed (km/s) 13.806 km/s
    Conjunction Risk Parameters R (Radial): 1.796 | I (In-track): 0.052 | C (Cross-track): 0.086
    Collision Risk Index (CRI) 0.46
    X Position (km) 3391.551 3390.749
    Position Y (km) 4696.506 4695.247
    Position Z (km) 3671.53 3670.528
    Velocity X (km/s) -1.266 -4.156
    Velocity Y (km/s) -4.002 5.526
    Velocity Z (km/s) 6.343 -3.22

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-6166
    Semimajor Axis (a) 6827.316 km 6861.194 km
    Eccentricity (e) 0.007148 0.000133
    Inclination (i) 98.4059° 43.0026°
    RAAN 57.8223° 279.7293°
    Perigee Argument 264.5862° 267.0932°
    Mean Anomaly (M) 94.7223° 92.9767°
    Apogee 497.980 km 483.973 km
    Perigee 400.378 km 482.141 km
    Orbit Epoch 2026-09-01T10:46:31+0000 2026-09-02T11:15:52+0000

    FENGYUN 1C DEB & STARLINK-6166 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-6166 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-6166 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-6166 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6166Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6166Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data