Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.739475E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-12T02:27:20+0800
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    1 Object 1

    AOE ID 30658
    NORAD ID 30658
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63604
    NORAD ID 63604
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 27F
    Time of Closest Approach 2026-11-12T14:40:00+0000
    Collision Probability (Pc) 8.739475E-6
    Conjunction Distance (km) 0.726 km
    Relative Speed (km/s) 0.187 km/s
    Conjunction Risk Parameters R (Radial): -0.245 | I (In-track): 0.609 | C (Cross-track): 0.31
    Collision Risk Index (CRI) 0.54
    X Position (km) -5871.453 -5871.446
    Position Y (km) 4473.173 4472.895
    Position Z (km) 814.417 813.747
    Velocity X (km/s) -0.041 0.116
    Velocity Y (km/s) 1.377 1.472
    Velocity Z (km/s) -7.14 -7.178

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 27F
    Semimajor Axis (a) 7312.128 km 7423.826 km
    Eccentricity (e) 0.018113 0.000076
    Inclination (i) 98.4186° 99.6935°
    RAAN 320.2985° 320.4961°
    Perigee Argument 29.7547° 80.4613°
    Mean Anomaly (M) 331.3768° 279.6611°
    Apogee 1066.438 km 1046.254 km
    Perigee 801.544 km 1045.124 km
    Orbit Epoch 2026-11-10T23:47:44+0000 2026-11-11T11:16:37+0000

    FENGYUN 1C DEB & SHIYAN 27F Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 27F Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 27F Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 27F Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 27FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 27FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data