Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.758952E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T08:44:31+0800
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    1 Object 1

    AOE ID 30883
    NORAD ID 30883
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43912
    NORAD ID 43912
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-1D
    Time of Closest Approach 2026-10-20T08:07:21+0000
    Collision Probability (Pc) 5.758952E-6
    Conjunction Distance (km) 1.558 km
    Relative Speed (km/s) 14.183 km/s
    Conjunction Risk Parameters R (Radial): -0.608 | I (In-track): 0.432 | C (Cross-track): -1.367
    Collision Risk Index (CRI) 0.5
    X Position (km) 4927.185 4927.812
    Position Y (km) -4261.678 -4260.526
    Position Z (km) -3033.659 -3032.818
    Velocity X (km/s) 1.52 1.781
    Velocity Y (km/s) -2.892 5.434
    Velocity Z (km/s) 6.715 -4.764

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-1D
    Semimajor Axis (a) 7221.326 km 7172.970 km
    Eccentricity (e) 0.011275 0.001577
    Inclination (i) 98.3300° 50.0085°
    RAAN 314.2552° 118.1076°
    Perigee Argument 38.5180° 64.3060°
    Mean Anomaly (M) 20.9450° 295.9482°
    Apogee 924.612 km 806.145 km
    Perigee 761.766 km 783.521 km
    Orbit Epoch 2026-10-19T07:03:20+0000 2026-10-19T21:03:37+0000

    FENGYUN 1C DEB & YUNHAI 2-1D Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YUNHAI 2-1D Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YUNHAI 2-1D Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YUNHAI 2-1D Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data