Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.428762E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T07:17:56+0800
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    1 Object 1

    AOE ID 31024
    NORAD ID 31024
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43479
    NORAD ID 43479
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 152
    Time of Closest Approach 2026-09-13T05:38:40+0000
    Collision Probability (Pc) 6.428762E-6
    Conjunction Distance (km) 1.492 km
    Relative Speed (km/s) 13.533 km/s
    Conjunction Risk Parameters R (Radial): -1.068 | I (In-track): 0.453 | C (Cross-track): 0.937
    Collision Risk Index (CRI) 0.51
    X Position (km) 330.807 330.407
    Position Y (km) 1128.126 1129.224
    Position Z (km) 7048.489 7049.416
    Velocity X (km/s) 7.483 -4.651
    Velocity Y (km/s) 0.078 -5.73
    Velocity Z (km/s) -0.333 1.134

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 152
    Semimajor Axis (a) 7199.531 km 7155.804 km
    Eccentricity (e) 0.007545 0.000218
    Inclination (i) 99.0401° 86.3930°
    RAAN 177.7462° 52.2214°
    Perigee Argument 69.9685° 91.6132°
    Mean Anomaly (M) 290.9594° 268.5314°
    Apogee 875.714 km 779.230 km
    Perigee 767.074 km 776.104 km
    Orbit Epoch 2026-09-10T01:10:46+0000 2026-09-11T11:24:22+0000

    FENGYUN 1C DEB & IRIDIUM 152 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 152 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 152 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 152 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 152Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 152Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data