Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.313453E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T11:37:09+0800
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    1 Object 1

    AOE ID 30621
    NORAD ID 30621
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 42807
    NORAD ID 42807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Time of Closest Approach 2026-11-06T12:31:42+0000
    Collision Probability (Pc) 3.313453E-6
    Conjunction Distance (km) 1.566 km
    Relative Speed (km/s) 6.326 km/s
    Conjunction Risk Parameters R (Radial): -1.309 | I (In-track): -0.772 | C (Cross-track): -0.37
    Collision Risk Index (CRI) 0.45
    X Position (km) -336.998 -336.938
    Position Y (km) 1818.054 1816.892
    Position Z (km) 6905.305 6904.258
    Velocity X (km/s) 3.255 -3.063
    Velocity Y (km/s) 6.589 6.548
    Velocity Z (km/s) -1.57 -1.868

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 118
    Semimajor Axis (a) 7252.781 km 7155.803 km
    Eccentricity (e) 0.013379 0.000226
    Inclination (i) 98.7081° 86.3924°
    RAAN 243.4741° 295.0244°
    Perigee Argument 106.8859° 88.8109°
    Mean Anomaly (M) 43.5937° 271.3346°
    Apogee 971.682 km 779.283 km
    Perigee 777.606 km 776.049 km
    Orbit Epoch 2026-11-04T07:47:43+0000 2026-11-04T09:48:35+0000

    FENGYUN 1C DEB & IRIDIUM 118 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 118 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 118 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 118 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 118Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 118Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data