Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 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)
 02/16/2022   04:10:04   (  71.71, 116.03) 02/16/2022   04:11:06  (  71.71, 116.02)    0.49                62
 02/16/2022   05:00:47   ( -71.63, -76.51) 02/16/2022   05:00:35  ( -71.64, -76.47)    1.85                12
 02/16/2022   05:51:21   (  70.96,  91.98) 02/16/2022   05:50:12  (  71.00,  90.15)   66.32                69
 02/18/2022   19:37:12   ( -71.72,  64.24) 02/18/2022   19:38:08  ( -71.73,  64.29)    1.69                56
 02/18/2022   20:27:57   (  71.62,-128.27) 02/18/2022   20:27:35  (  71.63,-128.23)    2.03                22
 02/18/2022   21:18:25   ( -70.77,  40.53) 02/18/2022   21:17:18  ( -70.81,  38.09)   89.55                67
 02/21/2022   11:04:21   (  71.72,  12.48) 02/21/2022   11:05:07  (  71.71,  12.51)    1.09                46
 02/21/2022   11:55:03   ( -71.59,-179.97) 02/21/2022   11:54:37  ( -71.59, 179.95)    2.84                26
 02/24/2022   02:31:28   ( -71.69, -39.24) 02/24/2022   02:32:09  ( -71.72, -39.24)    2.85                41
 02/24/2022   03:22:14   (  71.64, 128.17) 02/24/2022   03:21:36  (  71.62, 128.23)    3.20                38
 02/26/2022   17:58:38   (  71.69, -91.00) 02/26/2022   17:59:09  (  71.68, -91.06)    2.66                31
 02/26/2022   18:49:21   ( -71.62,  76.44) 02/26/2022   18:48:38  ( -71.62,  76.48)    1.25                43
 03/01/2022   09:25:45   ( -71.68,-142.74) 03/01/2022   09:26:11  ( -71.67,-142.83)    3.20                26
 03/01/2022   10:16:31   (  71.62,  24.67) 03/01/2022   10:15:37  (  71.62,  24.73)    2.04                54