Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.133984E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:31:19+0800
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    1 Object 1

    AOE ID 37054
    NORAD ID 37054
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43578
    NORAD ID 43578
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 159
    Time of Closest Approach 2026-09-11T14:22:38+0000
    Collision Probability (Pc) 2.133984E-6
    Conjunction Distance (km) 2.245 km
    Relative Speed (km/s) 14.349 km/s
    Conjunction Risk Parameters R (Radial): -0.662 | I (In-track): -0.6 | C (Cross-track): 2.059
    Collision Risk Index (CRI) 0.42
    X Position (km) -1349.651 -1351.048
    Position Y (km) -36.583 -34.876
    Position Z (km) 7017.629 7018.042
    Velocity X (km/s) 4.339 -6.849
    Velocity Y (km/s) 6.038 -2.659
    Velocity Z (km/s) 0.92 -1.329

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 159
    Semimajor Axis (a) 7204.256 km 7155.805 km
    Eccentricity (e) 0.010086 0.000220
    Inclination (i) 98.5782° 86.3996°
    RAAN 231.3724° 21.0659°
    Perigee Argument 42.4855° 95.0128°
    Mean Anomaly (M) 318.4073° 265.1319°
    Apogee 898.781 km 779.243 km
    Perigee 753.457 km 776.093 km
    Orbit Epoch 2026-09-09T16:19:39+0000 2026-09-10T09:26:46+0000

    FENGYUN 1C DEB & IRIDIUM 159 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 159 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 159 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 159 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 159Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 159Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data