Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.510028E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T06:43:49+0800
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    1 Object 1

    AOE ID 31255
    NORAD ID 31255
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55836
    NORAD ID 55836
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANHUI 6A
    Time of Closest Approach 2026-09-14T06:06:12+0000
    Collision Probability (Pc) 1.510028E-6
    Conjunction Distance (km) 2.726 km
    Relative Speed (km/s) 14.586 km/s
    Conjunction Risk Parameters R (Radial): 1.027 | I (In-track): -0.402 | C (Cross-track): 2.493
    Collision Risk Index (CRI) 0.39
    X Position (km) -389.268 -386.802
    Position Y (km) -7011.917 -7013.041
    Position Z (km) -1890.827 -1891.114
    Velocity X (km/s) -1.12 -1.303
    Velocity Y (km/s) 2.142 -1.823
    Velocity Z (km/s) -6.981 7.055

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANHUI 6A
    Semimajor Axis (a) 7236.901 km 7267.341 km
    Eccentricity (e) 0.026871 0.000312
    Inclination (i) 99.3141° 99.0125°
    RAAN 88.4316° 263.7627°
    Perigee Argument 298.4142° 132.3784°
    Mean Anomaly (M) 59.0184° 227.7645°
    Apogee 1053.230 km 891.471 km
    Perigee 664.298 km 886.937 km
    Orbit Epoch 2026-09-13T08:43:11+0000 2026-09-13T14:45:14+0000

    FENGYUN 1C DEB & TIANHUI 6A Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANHUI 6A Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANHUI 6A Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANHUI 6A Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANHUI 6AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANHUI 6ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data