Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.433183E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:20:22+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) 2.433183E-6
    Conjunction Distance (km) 2.119 km
    Relative Speed (km/s) 14.349 km/s
    Conjunction Risk Parameters R (Radial): -0.649 | I (In-track): -0.567 | C (Cross-track): 1.935
    Collision Risk Index (CRI) 0.43
    X Position (km) -1349.542 -1350.864
    Position Y (km) -36.432 -34.829
    Position Z (km) 7017.652 7018.067
    Velocity X (km/s) 4.339 -6.849
    Velocity Y (km/s) 6.038 -2.659
    Velocity Z (km/s) 0.919 -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° 86.3998°
    RAAN 231.3724° 20.6870°
    Perigee Argument 42.4855° 95.1536°
    Mean Anomaly (M) 318.4073° 264.9911°
    Apogee 898.781 km 779.244 km
    Perigee 753.457 km 776.092 km
    Orbit Epoch 2026-09-09T16:19:39+0000 2026-09-11T07:12:50+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