Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.403331E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:30:29+0800
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    1 Object 1

    AOE ID 30709
    NORAD ID 30709
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 41925
    NORAD ID 41925
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 112
    Time of Closest Approach 2026-09-11T23:34:12+0000
    Collision Probability (Pc) 1.403331E-6
    Conjunction Distance (km) 2.888 km
    Relative Speed (km/s) 14.785 km/s
    Conjunction Risk Parameters R (Radial): 1.319 | I (In-track): -0.334 | C (Cross-track): -2.547
    Collision Risk Index (CRI) 0.38
    X Position (km) 1954.955 1956.783
    Position Y (km) 1824.069 1822.417
    Position Z (km) -6648.386 -6646.879
    Velocity X (km/s) -2.399 4.128
    Velocity Y (km/s) -6.6 5.562
    Velocity Z (km/s) -2.555 2.742

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 112
    Semimajor Axis (a) 7204.629 km 7155.807 km
    Eccentricity (e) 0.007893 0.000217
    Inclination (i) 99.1577° 86.3929°
    RAAN 244.7912° 52.5925°
    Perigee Argument 218.6788° 92.7675°
    Mean Anomaly (M) 140.8718° 267.3769°
    Apogee 883.362 km 779.224 km
    Perigee 769.622 km 776.116 km
    Orbit Epoch 2026-09-10T04:06:33+0000 2026-09-10T12:43:30+0000

    FENGYUN 1C DEB & IRIDIUM 112 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 112 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 112 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 112 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 112Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 112Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data