Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.392709E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T12:43:33+0800
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    1 Object 1

    AOE ID 31813
    NORAD ID 31813
    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 2026-10-22T08:18:01+0000
    Collision Probability (Pc) 3.392709E-6
    Conjunction Distance (km) 1.878 km
    Relative Speed (km/s) 14.879 km/s
    Conjunction Risk Parameters R (Radial): 0.432 | I (In-track): -0.085 | C (Cross-track): -1.825
    Collision Risk Index (CRI) 0.46
    X Position (km) 3868.6 3867.308
    Position Y (km) 6021.224 6022.572
    Position Z (km) -158.303 -158.098
    Velocity X (km/s) 1.064 -0.478
    Velocity Y (km/s) -0.598 0.123
    Velocity Z (km/s) 7.334 -7.447

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 145
    Semimajor Axis (a) 7100.520 km 7155.807 km
    Eccentricity (e) 0.013516 0.000209
    Inclination (i) 99.4337° 86.3970°
    RAAN 56.2191° 237.4039°
    Perigee Argument 126.7010° 90.3272°
    Mean Anomaly (M) 234.6689° 269.8163°
    Apogee 818.356 km 779.165 km
    Perigee 626.410 km 776.175 km
    Orbit Epoch 2026-10-21T14:06:06+0000 2026-10-21T21:24:43+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