Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 12 24.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2021   23:57:41   (  78.87, 152.75) 01/05/2021   23:56:34  (  78.89, 152.70)    2.64                67
 01/06/2021   00:48:25   ( -78.87, -39.96) 01/06/2021   00:47:31  ( -78.88, -40.07)    2.86                54
 01/06/2021   01:39:11   (  78.90, 127.13) 01/06/2021   01:38:35  (  78.87, 127.06)    3.91                36
 01/06/2021   02:29:55   ( -78.90, -65.57) 01/06/2021   02:29:31  ( -78.90, -65.46)    2.61                24
 01/06/2021   03:20:40   (  78.90, 101.76) 01/06/2021   03:20:35  (  78.88, 101.68)    2.61                 5
 01/06/2021   04:11:24   ( -78.90, -90.94) 01/06/2021   04:11:31  ( -78.91, -90.84)    2.24                 7
 01/06/2021   05:02:09   (  78.90,  76.39) 01/06/2021   05:02:35  (  78.90,  76.30)    2.03                26
 01/06/2021   05:52:53   ( -78.90,-116.31) 01/06/2021   05:53:31  ( -78.93,-116.23)    2.94                38
 01/06/2021   06:43:38   (  78.90,  51.02) 01/06/2021   06:44:35  (  78.91,  50.92)    2.66                57
 01/06/2021   07:34:23   ( -78.94,-141.93) 01/06/2021   07:35:32  ( -78.91,-141.87)    3.93                69