Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 11 27.  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   02:59:49   ( -77.72, -64.14) 12/03/2021   02:58:43  ( -77.69, -67.53)   80.29                66
 12/03/2021   03:50:43   (  78.02, 101.61) 12/03/2021   03:49:28  (  78.04, 101.69)    2.77                75
 12/03/2021   04:41:28   ( -78.01, -91.03) 12/03/2021   04:40:34  ( -78.04, -91.07)    3.48                54
 12/03/2021   05:32:15   (  78.04,  76.16) 12/03/2021   05:31:28  (  78.05,  76.23)    2.11                47
 12/03/2021   06:23:00   ( -78.03,-116.48) 12/03/2021   06:22:34  ( -78.05,-116.53)    2.84                26
 12/03/2021   07:13:47   (  78.05,  50.70) 12/03/2021   07:13:28  (  78.05,  50.77)    1.58                19
 12/03/2021   08:04:32   ( -78.04,-141.93) 12/03/2021   08:04:34  ( -78.06,-141.99)    2.29                 2
 12/03/2021   08:55:19   (  78.06,  25.25) 12/03/2021   08:55:28  (  78.06,  25.31)    1.31                 9
 12/03/2021   09:46:04   ( -78.05,-167.38) 12/03/2021   09:46:34  ( -78.06,-167.45)    1.87                30
 12/03/2021   10:36:51   (  78.08,  -0.20) 12/03/2021   10:37:28  (  78.07,  -0.15)    1.47                37
 12/03/2021   11:27:36   ( -78.07, 167.17) 12/03/2021   11:28:34  ( -78.07, 167.10)    1.69                58
 12/03/2021   12:18:23   (  78.09, -25.65) 12/03/2021   12:19:28  (  78.07, -25.61)    1.94                65