Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 11 26.  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)
 12/03/2021   02:59:48   ( -77.70, -64.06) 12/03/2021   02:58:42  ( -77.71, -67.45)   80.18                66
 12/03/2021   03:50:42   (  78.01, 101.69) 12/03/2021   03:49:28  (  78.02, 101.55)    3.41                74
 12/03/2021   04:41:28   ( -78.04, -91.16) 12/03/2021   04:40:34  ( -78.02, -91.20)    2.15                54
 12/03/2021   05:32:14   (  78.02,  76.24) 12/03/2021   05:31:28  (  78.02,  76.09)    3.44                46
 12/03/2021   06:23:00   ( -78.05,-116.61) 12/03/2021   06:22:34  ( -78.03,-116.66)    2.89                26
 12/03/2021   07:13:46   (  78.03,  50.79) 12/03/2021   07:13:28  (  78.03,  50.63)    3.64                18
 12/03/2021   08:04:32   ( -78.06,-142.06) 12/03/2021   08:04:34  ( -78.03,-142.12)    3.62                 2
 12/03/2021   08:55:18   (  78.05,  25.33) 12/03/2021   08:55:27  (  78.07,  25.39)    3.27                 9
 12/03/2021   09:46:04   ( -78.08,-167.51) 12/03/2021   09:46:33  ( -78.08,-167.36)    3.54                29
 12/03/2021   10:36:50   (  78.06,  -0.12) 12/03/2021   10:37:27  (  78.08,  -0.07)    2.51                37
 12/03/2021   11:27:36   ( -78.09, 167.03) 12/03/2021   11:28:33  ( -78.08, 167.18)    3.41                57
 12/03/2021   12:18:22   (  78.07, -25.57) 12/03/2021   12:19:27  (  78.09, -25.53)    1.76                65