Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.708548E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:25:40+0800
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    1 Object 1

    AOE ID 30609
    NORAD ID 30609
    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 2026-10-21T14:43:54+0000
    Collision Probability (Pc) 9.708548E-7
    Conjunction Distance (km) 2.987 km
    Relative Speed (km/s) 8.302 km/s
    Conjunction Risk Parameters R (Radial): 2.863 | I (In-track): 0.72 | C (Cross-track): 0.455
    Collision Risk Index (CRI) 0.35
    X Position (km) -460.477 -459.839
    Position Y (km) -1338.693 -1337.457
    Position Z (km) -7026.634 -7023.991
    Velocity X (km/s) -6.905 -0.003
    Velocity Y (km/s) -2.728 -7.316
    Velocity Z (km/s) 0.921 1.394

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 137
    Semimajor Axis (a) 7226.281 km 7155.803 km
    Eccentricity (e) 0.011324 0.000248
    Inclination (i) 98.5613° 86.3918°
    RAAN 200.1355° 270.1002°
    Perigee Argument 248.0545° 93.2099°
    Mean Anomaly (M) 110.8562° 266.9381°
    Apogee 929.972 km 779.444 km
    Perigee 766.316 km 775.888 km
    Orbit Epoch 2026-10-19T00:15:08+0000 2026-10-19T16:12:59+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