Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.728989E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:08:55+0800
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    1 Object 1

    AOE ID 30520
    NORAD ID 30520
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68779
    NORAD ID 68779
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37391
    Time of Closest Approach 2026-09-13T18:20:30+0000
    Collision Probability (Pc) 2.728989E-6
    Conjunction Distance (km) 2.048 km
    Relative Speed (km/s) 15.107 km/s
    Conjunction Risk Parameters R (Radial): -0.186 | I (In-track): -0.297 | C (Cross-track): 2.018
    Collision Risk Index (CRI) 0.44
    X Position (km) 2718.214 2719.991
    Position Y (km) -5944.589 -5943.572
    Position Z (km) -2045.778 -2045.746
    Velocity X (km/s) -2.049 0.016
    Velocity Y (km/s) 1.569 -2.469
    Velocity Z (km/s) -7.192 7.218

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37391
    Semimajor Axis (a) 6866.147 km 6843.701 km
    Eccentricity (e) 0.005266 0.000104
    Inclination (i) 98.7036° 97.2835°
    RAAN 114.1519° 289.8558°
    Perigee Argument 260.1306° 107.9740°
    Mean Anomaly (M) 99.3981° 252.1617°
    Apogee 524.170 km 466.278 km
    Perigee 451.850 km 464.850 km
    Orbit Epoch 2026-09-11T00:57:02+0000 2026-09-11T06:54:19+0000

    FENGYUN 1C DEB & STARLINK-37391 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37391 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37391 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37391 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37391Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37391Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data