Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 3 12.  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)
 03/14/2023   00:08:37   ( -72.79,  -1.84) 03/14/2023   00:09:39  ( -72.79,  -1.81)    0.89                62
 03/14/2023   00:59:22   (  72.69, 165.69) 03/14/2023   00:59:06  (  72.71, 165.66)    2.28                16
 03/14/2023   01:49:53   ( -72.01, -25.63) 03/14/2023   01:48:46  ( -72.05, -27.90)   78.05                67
 03/16/2023   15:35:50   (  72.78, -53.59) 03/16/2023   15:36:39  (  72.80, -53.55)    2.79                49
 03/16/2023   16:26:33   ( -72.71, 113.88) 03/16/2023   16:26:09  ( -72.68, 113.86)    2.91                24
 03/19/2023   07:03:00   ( -72.77,-105.32) 03/19/2023   07:03:41  ( -72.80,-105.33)    2.83                41
 03/19/2023   07:53:46   (  72.72,  62.10) 03/19/2023   07:53:08  (  72.70,  62.14)    1.92                38
 03/21/2023   22:30:13   (  72.79,-157.14) 03/21/2023   22:30:40  (  72.77,-157.13)    2.53                27
 03/21/2023   23:20:56   ( -72.72,  10.33) 03/21/2023   23:20:09  ( -72.71,  10.39)    2.41                47
 03/24/2023   13:06:54   (  73.58, -17.98) 03/24/2023   13:07:59  (  73.48, -15.09)   91.91                65
 03/24/2023   13:57:21   ( -72.76, 151.17) 03/24/2023   13:57:39  ( -72.79, 151.15)    2.94                18
 03/24/2023   14:48:07   (  72.71, -41.41) 03/24/2023   14:47:06  (  72.69, -41.39)    2.25                61