Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 14.  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)
 02/16/2022   04:10:04   (  71.70, 116.05) 02/16/2022   04:11:06  (  71.71, 116.03)    1.94                62
 02/16/2022   05:00:47   ( -71.62, -76.49) 02/16/2022   05:00:36  ( -71.59, -76.54)    3.33                11
 02/16/2022   05:51:21   (  70.95,  91.99) 02/16/2022   05:50:12  (  71.01,  90.17)   66.68                69
 02/18/2022   19:37:12   ( -71.71,  64.26) 02/18/2022   19:38:08  ( -71.73,  64.30)    2.50                56
 02/18/2022   20:27:57   (  71.61,-128.25) 02/18/2022   20:27:35  (  71.63,-128.22)    2.94                22
 02/18/2022   21:18:25   ( -70.76,  40.56) 02/18/2022   21:17:18  ( -70.81,  38.10)   90.24                67
 02/21/2022   11:04:21   (  71.70,  12.50) 02/21/2022   11:05:07  (  71.70,  12.50)    0.20                46
 02/21/2022   11:55:04   ( -71.63, 179.96) 02/21/2022   11:54:36  ( -71.64,-179.97)    3.01                28
 02/24/2022   02:31:29   ( -71.73, -39.30) 02/24/2022   02:32:09  ( -71.70, -39.26)    3.15                40
 02/24/2022   03:22:14   (  71.62, 128.19) 02/24/2022   03:21:36  (  71.60, 128.21)    2.84                38
 02/26/2022   17:58:38   (  71.68, -90.98) 02/26/2022   17:59:08  (  71.70, -91.02)    2.90                30
 02/26/2022   18:49:21   ( -71.60,  76.47) 02/26/2022   18:48:38  ( -71.59,  76.43)    2.07                43