Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.320839E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T02:19:04+0800
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    1 Object 1

    AOE ID 31631
    NORAD ID 31631
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67493
    NORAD ID 67493
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-36551
    Time of Closest Approach 2026-09-04T22:57:24+0000
    Collision Probability (Pc) 1.320839E-6
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 14.396 km/s
    Conjunction Risk Parameters R (Radial): 2.877 | I (In-track): 0.288 | C (Cross-track): -0.781
    Collision Risk Index (CRI) 0.37
    X Position (km) 5530.647 5528.684
    Position Y (km) 3834.117 3831.862
    Position Z (km) 1342.032 1341.853
    Velocity X (km/s) 1.935 -4.058
    Velocity Y (km/s) -0.19 4.105
    Velocity Z (km/s) -7.379 4.985

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-36551
    Semimajor Axis (a) 6879.242 km 6861.068 km
    Eccentricity (e) 0.001814 0.000520
    Inclination (i) 99.3131° 43.0121°
    RAAN 206.8823° 38.2708°
    Perigee Argument 177.7642° 262.8944°
    Mean Anomaly (M) 182.3672° 97.1316°
    Apogee 513.588 km 486.501 km
    Perigee 488.622 km 479.361 km
    Orbit Epoch 2026-08-31T03:04:58+0000 2026-09-02T03:24:34+0000

    FENGYUN 1C DEB & STARLINK-36551 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-36551 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-36551 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-36551 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data