Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 15.  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, -17.64) 04/20/2023   00:29:04  ( -76.71, -17.65)    3.65                75
 04/20/2023   01:21:06   (  76.69, 149.61) 04/20/2023   01:19:59  (  76.69, 149.53)    2.01                67
 04/20/2023   02:11:51   ( -76.70, -43.11) 04/20/2023   02:11:03  ( -76.72, -43.11)    2.02                48
 04/20/2023   03:02:38   (  76.72, 124.14) 04/20/2023   03:01:58  (  76.70, 124.08)    2.52                40
 04/20/2023   03:53:23   ( -76.72, -68.59) 04/20/2023   03:53:02  ( -76.73, -68.56)    0.67                21
 04/20/2023   04:44:10   (  76.74,  98.66) 04/20/2023   04:43:56  (  76.75,  98.80)    3.65                14
 04/20/2023   05:34:55   ( -76.75, -94.06) 04/20/2023   05:35:01  ( -76.74, -94.02)    1.55                 6
 04/20/2023   06:25:42   (  76.76,  73.19) 04/20/2023   06:25:55  (  76.76,  73.34)    3.99                13
 04/20/2023   07:16:27   ( -76.77,-119.53) 04/20/2023   07:17:00  ( -76.75,-119.48)    3.16                33
 04/20/2023   08:07:13   (  76.74,  47.89) 04/20/2023   08:07:54  (  76.77,  47.88)    2.59                41
 04/20/2023   08:57:58   ( -76.75,-144.83) 04/20/2023   08:58:59  ( -76.76,-144.93)    2.54                61
 04/20/2023   09:48:45   (  76.77,  22.41) 04/20/2023   09:49:53  (  76.78,  22.42)    0.98                68