Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.179878E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T04:12:51+0800
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    1 Object 1

    AOE ID 30823
    NORAD ID 30823
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 33433
    NORAD ID 33433
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 3 (SY-3)
    Time of Closest Approach 2026-10-16T03:47:28+0000
    Collision Probability (Pc) 2.179878E-6
    Conjunction Distance (km) 2.122 km
    Relative Speed (km/s) 12.079 km/s
    Conjunction Risk Parameters R (Radial): -0.883 | I (In-track): -1.139 | C (Cross-track): -1.555
    Collision Risk Index (CRI) 0.42
    X Position (km) -318.021 -319.883
    Position Y (km) 1824.475 1823.926
    Position Z (km) -6937.858 -6937.003
    Velocity X (km/s) 3.383 5.261
    Velocity Y (km/s) 6.486 -5.018
    Velocity Z (km/s) 1.591 -1.572

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 3 (SY-3)
    Semimajor Axis (a) 7262.050 km 7167.082 km
    Eccentricity (e) 0.013237 0.001439
    Inclination (i) 98.8061° 98.5993°
    RAAN 63.5795° 313.3929°
    Perigee Argument 307.7022° 138.4797°
    Mean Anomaly (M) 80.6906° 221.7482°
    Apogee 980.043 km 799.258 km
    Perigee 787.783 km 778.632 km
    Orbit Epoch 2026-10-15T07:45:10+0000 2026-10-15T01:25:01+0000

    FENGYUN 1C DEB & SHIYAN 3 (SY-3) Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 3 (SY-3) Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 3 (SY-3) Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 3 (SY-3) Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 3 (SY-3)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 3 (SY-3)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data