Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.362146E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T17:38:44+0800
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    1 Object 1

    AOE ID 30706
    NORAD ID 30706
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43911
    NORAD ID 43911
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-1C
    Time of Closest Approach 2026-10-28T09:59:43+0000
    Collision Probability (Pc) 8.362146E-6
    Conjunction Distance (km) 1.288 km
    Relative Speed (km/s) 9.689 km/s
    Conjunction Risk Parameters R (Radial): -0.228 | I (In-track): -0.963 | C (Cross-track): -0.823
    Collision Risk Index (CRI) 0.53
    X Position (km) 4591.17 4591.996
    Position Y (km) 1916.821 1916.534
    Position Z (km) -5172.938 -5171.993
    Velocity X (km/s) -4.185 -4.515
    Velocity Y (km/s) -3.579 5.599
    Velocity Z (km/s) -5.019 -1.935

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-1C
    Semimajor Axis (a) 7178.388 km 7172.964 km
    Eccentricity (e) 0.002593 0.000045
    Inclination (i) 99.0467° 50.0098°
    RAAN 211.4975° 143.9003°
    Perigee Argument 293.7933° 233.6285°
    Mean Anomaly (M) 66.0528° 126.4588°
    Apogee 818.866 km 795.151 km
    Perigee 781.636 km 794.503 km
    Orbit Epoch 2026-10-27T17:47:36+0000 2026-10-27T22:45:36+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data