Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.809704E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T07:23:59+0800
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    1 Object 1

    AOE ID 31559
    NORAD ID 31559
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    Name TANSAT
    AOE ID 41898
    NORAD ID 41898
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TANSAT
    Time of Closest Approach 2026-09-14T19:21:02+0000
    Collision Probability (Pc) 6.809704E-7
    Conjunction Distance (km) 2.517 km
    Relative Speed (km/s) 2.792 km/s
    Conjunction Risk Parameters R (Radial): 2.502 | I (In-track): 0.269 | C (Cross-track): 0.06
    Collision Risk Index (CRI) 0.32
    X Position (km) 987.585 987.339
    Position Y (km) -483.067 -482.642
    Position Z (km) -7003.451 -7000.983
    Velocity X (km/s) -3.84 -1.255
    Velocity Y (km/s) -6.407 -7.371
    Velocity Z (km/s) -0.081 0.345

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TANSAT
    Semimajor Axis (a) 7048.137 km 7071.303 km
    Eccentricity (e) 0.005404 0.002143
    Inclination (i) 98.8827° 98.5412°
    RAAN 237.2289° 259.4852°
    Perigee Argument 66.8647° 38.6582°
    Mean Anomaly (M) 357.2071° 321.6146°
    Apogee 708.089 km 708.317 km
    Perigee 631.911 km 678.015 km
    Orbit Epoch 2026-09-13T04:46:20+0000 2026-09-13T14:08:39+0000

    FENGYUN 1C DEB & TANSAT Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TANSAT Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TANSAT Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TANSAT Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TANSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TANSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data