Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 1 25.  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)
 02/01/2022   08:01:20   ( -77.60,-138.61) 02/01/2022   08:00:12  ( -77.59,-141.22)   62.42                68
 02/01/2022   08:52:12   (  77.86,  27.44) 02/01/2022   08:51:10  (  77.84,  27.34)    3.22                62
 02/01/2022   09:42:58   ( -77.87,-165.31) 02/01/2022   09:42:05  ( -77.87,-165.23)    1.80                53
 02/01/2022   10:33:44   (  77.88,   1.95) 02/01/2022   10:33:09  (  77.88,   2.08)    3.04                35
 02/01/2022   11:24:30   ( -77.89, 169.20) 02/01/2022   11:24:05  ( -77.87, 169.30)    3.02                25
 02/01/2022   12:15:15   (  77.86, -23.33) 02/01/2022   12:15:09  (  77.89, -23.39)    3.21                 6
 02/01/2022   13:06:01   ( -77.87, 143.92) 02/01/2022   13:06:05  ( -77.88, 143.82)    2.41                 4
 02/01/2022   13:56:47   (  77.88, -48.82) 02/01/2022   13:57:09  (  77.89, -48.86)    1.46                22
 02/01/2022   14:47:33   ( -77.89, 118.43) 02/01/2022   14:48:05  ( -77.88, 118.35)    2.48                32
 02/01/2022   15:38:19   (  77.90, -74.31) 02/01/2022   15:39:09  (  77.90, -74.34)    1.08                50
 02/01/2022   16:29:05   ( -77.92,  92.95) 02/01/2022   16:30:04  ( -77.92,  93.09)    3.47                59
 02/01/2022   17:19:55   (  78.09,-100.64) 02/01/2022   17:21:05  (  78.05, -98.94)   39.40                70