Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.730628E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T23:33:46+0800
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    1 Object 1

    AOE ID 31272
    NORAD ID 31272
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43478
    NORAD ID 43478
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 161
    Time of Closest Approach 2026-11-04T18:00:23+0000
    Collision Probability (Pc) 2.730628E-6
    Conjunction Distance (km) 2.038 km
    Relative Speed (km/s) 14.835 km/s
    Conjunction Risk Parameters R (Radial): 1.659 | I (In-track): 0.171 | C (Cross-track): -1.172
    Collision Risk Index (CRI) 0.44
    X Position (km) -2146.71 -2145.771
    Position Y (km) -1692.471 -1693.168
    Position Z (km) -6591.89 -6590.222
    Velocity X (km/s) -6.878 6.089
    Velocity Y (km/s) -1.5 3.268
    Velocity Z (km/s) 2.578 -2.823

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 161
    Semimajor Axis (a) 7191.463 km 7125.819 km
    Eccentricity (e) 0.010461 0.000212
    Inclination (i) 99.0521° 86.4520°
    RAAN 195.0077° 30.0691°
    Perigee Argument 258.2722° 91.8006°
    Mean Anomaly (M) 100.6702° 268.3438°
    Apogee 888.559 km 749.195 km
    Perigee 738.093 km 746.169 km
    Orbit Epoch 2026-11-04T03:08:51+0000 2026-11-03T19:13:53+0000

    FENGYUN 1C DEB & IRIDIUM 161 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 161 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 161 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 161 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 161Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 161Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data