Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.312439E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:43:07+0800
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    1 Object 1

    AOE ID 33722
    NORAD ID 33722
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 39455
    NORAD ID 39455
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 5 (SY-5)
    Time of Closest Approach 2026-10-22T19:39:46+0000
    Collision Probability (Pc) 1.312439E-6
    Conjunction Distance (km) 2.99 km
    Relative Speed (km/s) 14.185 km/s
    Conjunction Risk Parameters R (Radial): 2.423 | I (In-track): -0.592 | C (Cross-track): 1.649
    Collision Risk Index (CRI) 0.37
    X Position (km) -2575.204 -2577.106
    Position Y (km) 1883.74 1882.961
    Position Z (km) 6368.943 6371.114
    Velocity X (km/s) -3.674 6.504
    Velocity Y (km/s) 5.784 -1.857
    Velocity Z (km/s) -3.082 3.179

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 5 (SY-5)
    Semimajor Axis (a) 7196.333 km 7124.345 km
    Eccentricity (e) 0.015835 0.001287
    Inclination (i) 98.5647° 98.0500°
    RAAN 304.0307° 158.4741°
    Perigee Argument 67.0932° 282.8844°
    Mean Anomaly (M) 294.6874° 77.0910°
    Apogee 932.151 km 755.375 km
    Perigee 704.241 km 737.041 km
    Orbit Epoch 2026-10-20T11:24:52+0000 2026-10-20T22:27:16+0000

    FENGYUN 1C DEB & SHIYAN 5 (SY-5) Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 5 (SY-5) Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 5 (SY-5) Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 5 (SY-5) Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 5 (SY-5)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 5 (SY-5)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data