Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 12 13.  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)
 12/16/2022   20:42:38   ( -76.84,  37.18) 12/16/2022   20:41:26  ( -76.81,  35.83)   34.40                72
 12/16/2022   21:33:28   (  76.98,-156.09) 12/16/2022   21:32:16  (  76.99,-156.13)    1.63                72
 12/16/2022   22:24:13   ( -76.98,  11.22) 12/16/2022   22:23:21  ( -77.01,  11.17)    3.14                52
 12/16/2022   23:15:00   (  76.99, 178.48) 12/16/2022   23:14:15  (  77.01, 178.48)    2.69                45
 12/17/2022   00:05:45   ( -76.99, -14.21) 12/17/2022   00:05:20  ( -77.03, -14.22)    4.34                25
 12/17/2022   00:56:32   (  77.00, 153.05) 12/17/2022   00:56:15  (  77.00, 152.91)    3.70                17
 12/17/2022   01:47:18   ( -77.04, -39.82) 12/17/2022   01:47:20  ( -77.01, -39.79)    3.73                 2
 12/17/2022   02:38:04   (  77.01, 127.62) 12/17/2022   02:38:14  (  77.02, 127.52)    2.76                10
 12/17/2022   03:28:50   ( -77.06, -65.25) 12/17/2022   03:29:19  ( -77.04, -65.18)    2.86                29
 12/17/2022   04:19:36   (  77.02, 102.19) 12/17/2022   04:20:13  (  77.04, 102.13)    2.68                37
 12/17/2022   05:10:22   ( -77.07, -90.68) 12/17/2022   05:11:18  ( -77.06, -90.57)    2.92                56
 12/17/2022   06:01:08   (  77.04,  76.76) 12/17/2022   06:02:12  (  77.07,  76.74)    3.52                64
 12/17/2022   06:52:03   ( -77.46,-117.81) 12/17/2022   06:53:09  ( -77.41,-114.41)   82.35                66