Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.087807E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:57:41+0800
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    1 Object 1

    AOE ID 42806
    NORAD ID 42806
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 47100
    NORAD ID 47100
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 115 FENGYUN 1C DEB *
    Time of Closest Approach 2026-09-16T02:43:24+0000
    Collision Probability (Pc) 2.087807E-6
    Conjunction Distance (km) 2.294 km
    Relative Speed (km/s) 14.925 km/s
    Conjunction Risk Parameters R (Radial): -1.885 | I (In-track): 0.073 | C (Cross-track): -1.303
    Collision Risk Index (CRI) 0.41
    X Position (km) -1644.03 -1642.341
    Position Y (km) 6842.362 6840.879
    Position Z (km) 1131.622 1131.17
    Velocity X (km/s) -0.736 1.415
    Velocity Y (km/s) 1.053 -0.825
    Velocity Z (km/s) -7.369 7.279

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 115 FENGYUN 1C DEB *
    Semimajor Axis (a) 7125.814 km 7086.173 km
    Eccentricity (e) 0.000235 0.008133
    Inclination (i) 86.4448° 99.0131°
    RAAN 284.3872° 103.7742°
    Perigee Argument 86.7831° 241.3676°
    Mean Anomaly (M) 273.3638° 117.9322°
    Apogee 749.349 km 765.667 km
    Perigee 746.005 km 650.405 km
    Orbit Epoch 2026-09-15T09:17:45+0000 2026-09-15T00:16:52+0000

    IRIDIUM 115 & FENGYUN 1C DEB * Collision Probability (Pc) Trend

    IRIDIUM 115 & FENGYUN 1C DEB * Collision Probability (Pc) TrendNot Available

    IRIDIUM 115 & FENGYUN 1C DEB * Miss Distance (Miss Distance) Trend

    IRIDIUM 115 & FENGYUN 1C DEB * Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 115Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEB *Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 115Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEB *Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 115

    No nearby objects data