Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.288612E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T19:26:36+0800
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    1 Object 1

    AOE ID 30936
    NORAD ID 30936
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43254
    NORAD ID 43254
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB IRIDIUM 146
    Time of Closest Approach 2026-10-25T15:45:13+0000
    Collision Probability (Pc) 4.288612E-6
    Conjunction Distance (km) 1.61 km
    Relative Speed (km/s) 10.654 km/s
    Conjunction Risk Parameters R (Radial): -1.609 | I (In-track): 0.007 | C (Cross-track): -0.022
    Collision Risk Index (CRI) 0.48
    X Position (km) -226.509 -226.452
    Position Y (km) -1125.698 -1125.423
    Position Z (km) 7055.692 7054.107
    Velocity X (km/s) -6.245 4.204
    Velocity Y (km/s) 4.097 6.072
    Velocity Z (km/s) 0.451 1.102

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB IRIDIUM 146
    Semimajor Axis (a) 7190.173 km 7155.804 km
    Eccentricity (e) 0.004759 0.000219
    Inclination (i) 98.5509° 86.3966°
    RAAN 323.4098° 236.9858°
    Perigee Argument 96.7734° 86.6479°
    Mean Anomaly (M) 325.7209° 273.4967°
    Apogee 846.252 km 779.237 km
    Perigee 777.820 km 776.097 km
    Orbit Epoch 2026-10-22T18:29:54+0000 2026-10-22T22:04:19+0000

    FENGYUN 1C DEB & IRIDIUM 146 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & IRIDIUM 146 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & IRIDIUM 146 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & IRIDIUM 146 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 146Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 146Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data