Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.481849E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:41:37+0800
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    1 Object 1

    AOE ID 36743
    NORAD ID 36743
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43076
    NORAD ID 43076
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 137
    Time of Closest Approach 2026-10-28T16:35:47+0000
    Collision Probability (Pc) 4.481849E-6
    Conjunction Distance (km) 1.575 km
    Relative Speed (km/s) 10.28 km/s
    Conjunction Risk Parameters R (Radial): -0.594 | I (In-track): -1.057 | C (Cross-track): -1.003
    Collision Risk Index (CRI) 0.48
    X Position (km) 374.101 373.21
    Position Y (km) -1126.961 -1125.948
    Position Z (km) 7046.837 7047.649
    Velocity X (km/s) -7.405 0.545
    Velocity Y (km/s) 0.874 7.358
    Velocity Z (km/s) 0.498 1.144

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 137
    Semimajor Axis (a) 7167.324 km 7155.806 km
    Eccentricity (e) 0.004841 0.000240
    Inclination (i) 98.6300° 86.3929°
    RAAN 350.8683° 266.9471°
    Perigee Argument 158.2784° 88.9812°
    Mean Anomaly (M) 202.0466° 271.1659°
    Apogee 823.882 km 779.387 km
    Perigee 754.492 km 775.951 km
    Orbit Epoch 2026-10-26T20:33:27+0000 2026-10-27T05:03:23+0000

    FENGYUN 1C DEB & IRIDIUM 137 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 137 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 137 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 137 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 137Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 137Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data