Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 19.  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   ( -76.71, -17.76) 04/20/2023   00:29:04  ( -76.69, -17.76)    2.46                75
 04/20/2023   01:21:06   (  76.72, 149.50) 04/20/2023   01:19:58  (  76.71, 149.62)    3.20                68
 04/20/2023   02:11:50   ( -76.69, -43.06) 04/20/2023   02:11:03  ( -76.70, -43.21)    4.07                47
 04/20/2023   03:02:37   (  76.70, 124.20) 04/20/2023   03:01:57  (  76.72, 124.16)    2.48                40
 04/20/2023   03:53:22   ( -76.71, -68.53) 04/20/2023   03:53:02  ( -76.70, -68.67)    3.62                20
 04/20/2023   04:44:09   (  76.72,  98.73) 04/20/2023   04:43:56  (  76.73,  98.71)    0.77                13
 04/20/2023   05:34:54   ( -76.74, -94.01) 04/20/2023   05:35:00  ( -76.76, -93.95)    2.72                 6
 04/20/2023   06:25:41   (  76.75,  73.25) 04/20/2023   06:25:55  (  76.74,  73.25)    1.12                14
 04/20/2023   07:16:26   ( -76.76,-119.48) 04/20/2023   07:16:59  ( -76.76,-119.40)    2.10                33
 04/20/2023   08:07:13   (  76.77,  47.77) 04/20/2023   08:07:54  (  76.75,  47.79)    2.85                41
 04/20/2023   08:57:58   ( -76.78,-144.96) 04/20/2023   08:58:58  ( -76.77,-144.86)    2.69                60
 04/20/2023   09:48:44   (  76.75,  22.47) 04/20/2023   09:49:53  (  76.75,  22.33)    3.62                69