Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.818424E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T23:11:18+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 37919
    NORAD ID 37919
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 41921
    NORAD ID 41921
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 105
    Time of Closest Approach 2026-09-16T01:13:23+0000
    Collision Probability (Pc) 2.818424E-6
    Conjunction Distance (km) 2.012 km
    Relative Speed (km/s) 14.796 km/s
    Conjunction Risk Parameters R (Radial): -1.289 | I (In-track): 0.195 | C (Cross-track): 1.531
    Collision Risk Index (CRI) 0.44
    X Position (km) 2792.471 2792.313
    Position Y (km) 515.456 516.933
    Position Z (km) -6576.55 -6577.906
    Velocity X (km/s) -5.65 6.425
    Velocity Y (km/s) -4.066 2.39
    Velocity Z (km/s) -2.689 2.916

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 105
    Semimajor Axis (a) 7178.854 km 7155.805 km
    Eccentricity (e) 0.004773 0.000230
    Inclination (i) 99.0828° 86.4009°
    RAAN 210.6978° 19.1863°
    Perigee Argument 301.4128° 98.4795°
    Mean Anomaly (M) 58.2388° 261.6662°
    Apogee 834.982 km 779.315 km
    Perigee 766.452 km 776.021 km
    Orbit Epoch 2026-09-14T14:24:38+0000 2026-09-15T07:06:57+0000

    FENGYUN 1C DEB & IRIDIUM 105 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 105 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 105 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 105 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 105Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 105Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data