Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.751981E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:07:41+0800
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    1 Object 1

    AOE ID 31906
    NORAD ID 31906
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 64753
    NORAD ID 64753
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 28B-01(SY-28B 01)
    Time of Closest Approach 2026-10-20T10:47:39+0000
    Collision Probability (Pc) 1.751981E-6
    Conjunction Distance (km) 2.352 km
    Relative Speed (km/s) 12.158 km/s
    Conjunction Risk Parameters R (Radial): -1.449 | I (In-track): 1.064 | C (Cross-track): 1.516
    Collision Risk Index (CRI) 0.4
    X Position (km) 2454.319 2456.025
    Position Y (km) 6718.688 6719.513
    Position Z (km) -468.594 -469.986
    Velocity X (km/s) 1.238 -6.924
    Velocity Y (km/s) 0.09 2.436
    Velocity Z (km/s) 7.362 -1.337

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 28B-01(SY-28B 01)
    Semimajor Axis (a) 7180.148 km 7172.067 km
    Eccentricity (e) 0.005095 0.000368
    Inclination (i) 98.7057° 10.9984°
    RAAN 67.7839° 238.1258°
    Perigee Argument 295.3033° 274.7735°
    Mean Anomaly (M) 218.5765° 85.2073°
    Apogee 838.597 km 796.568 km
    Perigee 765.425 km 791.292 km
    Orbit Epoch 2026-10-18T20:49:38+0000 2026-10-19T05:23:19+0000

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 28B-01(SY-28B 01)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 28B-01(SY-28B 01)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data