Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 11.  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)
 02/13/2022   12:42:54   ( -71.72, 167.78) 02/13/2022   12:44:06  ( -71.70, 167.76)    2.01                72
 02/13/2022   13:33:39   (  71.62, -24.74) 02/13/2022   13:33:33  (  71.61, -24.75)    1.67                 6
 02/13/2022   14:24:18   ( -71.33, 143.10) 02/13/2022   14:23:05  ( -71.38, 142.51)   21.61                73
 02/16/2022   04:10:04   (  71.71, 116.02) 02/16/2022   04:11:06  (  71.70, 116.01)    1.32                62
 02/16/2022   05:00:47   ( -71.63, -76.51) 02/16/2022   05:00:35  ( -71.64, -76.46)    1.88                12
 02/16/2022   05:51:20   (  70.91,  92.06) 02/16/2022   05:50:12  (  71.00,  90.15)   70.07                68
 02/18/2022   19:37:12   ( -71.72,  64.24) 02/18/2022   19:38:08  ( -71.72,  64.28)    1.49                56
 02/18/2022   20:27:57   (  71.63,-128.28) 02/18/2022   20:27:35  (  71.62,-128.24)    1.34                22
 02/18/2022   21:18:25   ( -70.77,  40.53) 02/18/2022   21:17:18  ( -70.80,  38.08)   89.75                67
 02/21/2022   11:04:20   (  71.67,  12.56) 02/21/2022   11:05:07  (  71.69,  12.48)    3.55                47
 02/21/2022   11:55:04   ( -71.64, 179.93) 02/21/2022   11:54:36  ( -71.63,-179.99)    3.37                28
 02/24/2022   02:31:28   ( -71.70, -39.24) 02/24/2022   02:32:09  ( -71.69, -39.28)    1.66                41
 02/24/2022   03:22:13   (  71.60, 128.25) 02/24/2022   03:21:36  (  71.58, 128.18)    2.62                37