Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.434887E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T07:39:51+0800
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    1 Object 1

    AOE ID 30501
    NORAD ID 30501
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 41919
    NORAD ID 41919
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 109
    Time of Closest Approach 2026-09-15T17:42:40+0000
    Collision Probability (Pc) 1.434887E-6
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 14.269 km/s
    Conjunction Risk Parameters R (Radial): 2.634 | I (In-track): -0.292 | C (Cross-track): 0.899
    Collision Risk Index (CRI) 0.38
    X Position (km) -1193.565 -1193.997
    Position Y (km) -759.192 -758.568
    Position Z (km) 7008.386 7005.693
    Velocity X (km/s) 0.511 -4.584
    Velocity Y (km/s) 7.408 -5.725
    Velocity Z (km/s) 0.867 -1.398

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 109
    Semimajor Axis (a) 7179.934 km 7155.818 km
    Eccentricity (e) 0.004175 0.000216
    Inclination (i) 99.0944° 86.3939°
    RAAN 263.1494° 51.1899°
    Perigee Argument 128.7381° 91.5223°
    Mean Anomaly (M) 260.9271° 268.6220°
    Apogee 831.775 km 779.224 km
    Perigee 771.819 km 776.138 km
    Orbit Epoch 2026-09-13T23:23:24+0000 2026-09-14T09:25:42+0000

    FENGYUN 1C DEB & IRIDIUM 109 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 109 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 109 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 109 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data