Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.748145E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:41:19+0800
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    1 Object 1

    AOE ID 35128
    NORAD ID 35128
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 42807
    NORAD ID 42807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Time of Closest Approach 2026-09-11T20:06:23+0000
    Collision Probability (Pc) 1.748145E-6
    Conjunction Distance (km) 2.51 km
    Relative Speed (km/s) 14.87 km/s
    Conjunction Risk Parameters R (Radial): 1.503 | I (In-track): -0.165 | C (Cross-track): -2.003
    Collision Risk Index (CRI) 0.4
    X Position (km) 3036.512 3034.423
    Position Y (km) -2267.591 -2268.488
    Position Z (km) 6063.561 6062.5
    Velocity X (km/s) 3.63 -4.509
    Velocity Y (km/s) -5.254 4.476
    Velocity Z (km/s) -3.836 3.923

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Semimajor Axis (a) 7125.249 km 7155.807 km
    Eccentricity (e) 0.008176 0.000225
    Inclination (i) 98.3322° 86.3989°
    RAAN 127.3582° 317.9645°
    Perigee Argument 250.6049° 95.8910°
    Mean Anomaly (M) 108.6291° 264.2542°
    Apogee 805.371 km 779.278 km
    Perigee 688.853 km 776.062 km
    Orbit Epoch 2026-09-09T10:58:37+0000 2026-09-10T13:41:47+0000

    FENGYUN 1C DEB & IRIDIUM 118 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 118 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 118 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 118 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 118Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 118Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data