Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 17.  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)
 04/20/2023   00:30:19   ( -76.68, -17.66) 04/20/2023   00:29:04  ( -76.71, -17.67)    2.74                75
 04/20/2023   01:21:06   (  76.70, 149.60) 04/20/2023   01:19:59  (  76.69, 149.52)    2.07                67
 04/20/2023   02:11:51   ( -76.71, -43.13) 04/20/2023   02:11:03  ( -76.72, -43.12)    1.12                48
 04/20/2023   03:02:38   (  76.72, 124.12) 04/20/2023   03:01:58  (  76.70, 124.07)    2.90                40
 04/20/2023   03:53:23   ( -76.73, -68.60) 04/20/2023   03:53:02  ( -76.73, -68.58)    0.79                21
 04/20/2023   04:44:10   (  76.74,  98.65) 04/20/2023   04:43:56  (  76.75,  98.79)    3.60                14
 04/20/2023   05:34:55   ( -76.75, -94.08) 04/20/2023   05:35:01  ( -76.73, -94.04)    2.38                 6
 04/20/2023   06:25:41   (  76.72,  73.35) 04/20/2023   06:25:55  (  76.76,  73.33)    3.78                14
 04/20/2023   07:16:26   ( -76.73,-119.38) 04/20/2023   07:17:00  ( -76.74,-119.49)    3.12                34
 04/20/2023   08:07:13   (  76.75,  47.87) 04/20/2023   08:07:54  (  76.77,  47.87)    2.05                41
 04/20/2023   08:57:58   ( -76.76,-144.85) 04/20/2023   08:58:59  ( -76.75,-144.95)    2.48                61
 04/20/2023   09:48:45   (  76.77,  22.40) 04/20/2023   09:49:53  (  76.77,  22.41)    0.56                68