Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.750324E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:50:13+0800
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    1 Object 1

    AOE ID 31426
    NORAD ID 31426
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 60385
    NORAD ID 60385
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-7
    Time of Closest Approach 2026-10-21T11:45:04+0000
    Collision Probability (Pc) 3.750324E-6
    Conjunction Distance (km) 1.814 km
    Relative Speed (km/s) 14.916 km/s
    Conjunction Risk Parameters R (Radial): -0.709 | I (In-track): 0.108 | C (Cross-track): 1.665
    Collision Risk Index (CRI) 0.46
    X Position (km) 1510.501 1511.961
    Position Y (km) 6672.059 6670.987
    Position Z (km) -2202.109 -2202.04
    Velocity X (km/s) 1.607 -0.637
    Velocity Y (km/s) 1.758 -2.177
    Velocity Z (km/s) 7.12 -7.091

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-7
    Semimajor Axis (a) 7300.742 km 7176.874 km
    Eccentricity (e) 0.031947 0.001756
    Inclination (i) 98.6084° 88.9757°
    RAAN 73.3875° 256.9703°
    Perigee Argument 46.1223° 91.3307°
    Mean Anomaly (M) 344.8983° 268.9899°
    Apogee 1155.843 km 811.340 km
    Perigee 689.367 km 786.134 km
    Orbit Epoch 2026-10-20T08:21:50+0000 2026-10-20T21:22:30+0000

    FENGYUN 1C DEB & QIANFAN-7 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-7 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-7 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-7 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-7Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-7Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data