Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.286986E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:30:08+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 35165
    NORAD ID 35165
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 43253
    NORAD ID 43253
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 145
    Time of Closest Approach 2026-09-13T01:07:34+0000
    Collision Probability (Pc) 1.286986E-6
    Conjunction Distance (km) 2.819 km
    Relative Speed (km/s) 12.027 km/s
    Conjunction Risk Parameters R (Radial): -0.102 | I (In-track): 1.672 | C (Cross-track): 2.268
    Collision Risk Index (CRI) 0.37
    X Position (km) 138.825 140.519
    Position Y (km) -1101.913 -1104.148
    Position Z (km) 7060.045 7059.766
    Velocity X (km/s) -7.461 2.144
    Velocity Y (km/s) -0.106 7.073
    Velocity Z (km/s) 0.143 1.062

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 145
    Semimajor Axis (a) 7148.917 km 7155.805 km
    Eccentricity (e) 0.001870 0.000210
    Inclination (i) 98.8771° 86.3907°
    RAAN 357.3228° 254.6530°
    Perigee Argument 344.2011° 84.4254°
    Mean Anomaly (M) 15.8588° 275.7181°
    Apogee 784.148 km 779.171 km
    Perigee 757.412 km 776.165 km
    Orbit Epoch 2026-09-09T19:48:23+0000 2026-09-10T15:48:55+0000

    FENGYUN 1C DEB & IRIDIUM 145 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 145 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 145 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 145 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 145Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 145Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data