Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 3 15.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 03/16/2023   15:35:50   (  72.77, -53.57) 03/16/2023   15:36:40  (  72.76, -53.63)    2.46                50
 03/16/2023   16:26:33   ( -72.70, 113.89) 03/16/2023   16:26:09  ( -72.69, 113.87)    1.63                24
 03/19/2023   07:02:59   ( -72.77,-105.33) 03/19/2023   07:03:40  ( -72.79,-105.34)    1.92                41
 03/19/2023   07:53:45   (  72.71,  62.10) 03/19/2023   07:53:07  (  72.70,  62.13)    1.82                38
 03/21/2023   22:30:12   (  72.80,-157.15) 03/21/2023   22:30:38  (  72.80,-157.06)    2.96                26
 03/21/2023   23:20:54   ( -72.68,  10.41) 03/21/2023   23:20:08  ( -72.68,  10.34)    2.18                46
 03/24/2023   13:06:52   (  73.56, -17.91) 03/24/2023   13:07:58  (  73.44, -15.17)   87.64                66
 03/24/2023   13:57:21   ( -72.79, 151.12) 03/24/2023   13:57:38  ( -72.80, 151.18)    2.32                17
 03/24/2023   14:48:06   (  72.68, -41.35) 03/24/2023   14:47:05  (  72.70, -41.37)    2.54                61
 03/27/2023   04:33:54   ( -73.21, -68.87) 03/27/2023   04:35:04  ( -73.08, -67.66)   41.84                70
 03/27/2023   05:24:32   (  72.76,  99.43) 03/27/2023   05:24:35  (  72.77,  99.38)    2.42                 3