Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 9.  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)
 02/10/2022   21:15:50   (  71.92,-140.83) 02/10/2022   21:17:01  (  71.83,-140.25)   22.13                71
 02/10/2022   22:06:29   ( -71.62,  27.04) 02/10/2022   22:06:33  ( -71.60,  26.99)    2.99                 4
 02/10/2022   22:57:13   (  71.48,-165.40) 02/10/2022   22:56:00  (  71.51,-165.52)    5.03                73
 02/13/2022   12:42:54   ( -71.71, 167.80) 02/13/2022   12:44:06  ( -71.71, 167.78)    0.96                72
 02/13/2022   13:33:39   (  71.61, -24.72) 02/13/2022   13:33:33  (  71.62, -24.73)    0.45                 6
 02/13/2022   14:24:18   ( -71.32, 143.12) 02/13/2022   14:23:05  ( -71.39, 142.53)   22.37                73
 02/16/2022   04:10:04   (  71.70, 116.04) 02/16/2022   04:11:06  (  71.71, 116.03)    1.57                62
 02/16/2022   05:00:47   ( -71.62, -76.49) 02/16/2022   05:00:36  ( -71.60, -76.53)    2.27                11
 02/16/2022   05:51:21   (  70.95,  91.99) 02/16/2022   05:50:12  (  71.01,  90.17)   66.30                69
 02/18/2022   19:37:12   ( -71.71,  64.27) 02/18/2022   19:38:09  ( -71.69,  64.23)    2.34                57
 02/18/2022   20:27:57   (  71.61,-128.25) 02/18/2022   20:27:36  (  71.59,-128.30)    3.03                21
 02/18/2022   21:18:25   ( -70.75,  40.56) 02/18/2022   21:17:18  ( -70.83,  38.12)   89.64                67
 02/21/2022   11:04:21   (  71.71,  12.50) 02/21/2022   11:05:07  (  71.72,  12.53)    1.93                46
 02/21/2022   11:55:04   ( -71.63, 179.96) 02/21/2022   11:54:37  ( -71.61, 179.98)    1.64                27