Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 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)
 04/20/2023   00:30:19   ( -76.69, -17.68) 04/20/2023   00:29:04  ( -76.70, -17.70)    1.47                75
 04/20/2023   01:21:06   (  76.70, 149.56) 04/20/2023   01:19:58  (  76.72, 149.66)    3.16                68
 04/20/2023   02:11:51   ( -76.71, -43.15) 04/20/2023   02:11:03  ( -76.71, -43.15)    0.19                48
 04/20/2023   03:02:38   (  76.73, 124.09) 04/20/2023   03:01:57  (  76.73, 124.21)    3.04                41
 04/20/2023   03:53:23   ( -76.73, -68.62) 04/20/2023   03:53:02  ( -76.72, -68.61)    1.80                21
 04/20/2023   04:44:09   (  76.71,  98.79) 04/20/2023   04:43:56  (  76.74,  98.75)    3.56                13
 04/20/2023   05:34:55   ( -76.76, -94.10) 04/20/2023   05:35:01  ( -76.73, -94.06)    3.43                 6
 04/20/2023   06:25:41   (  76.73,  73.31) 04/20/2023   06:25:55  (  76.75,  73.29)    1.85                14
 04/20/2023   07:16:26   ( -76.74,-119.40) 04/20/2023   07:17:00  ( -76.74,-119.52)    3.04                34
 04/20/2023   08:07:13   (  76.76,  47.84) 04/20/2023   08:07:54  (  76.76,  47.84)    0.14                41
 04/20/2023   08:57:58   ( -76.76,-144.87) 04/20/2023   08:58:59  ( -76.75,-144.97)    3.00                61
 04/20/2023   09:48:45   (  76.78,  22.36) 04/20/2023   09:49:53  (  76.77,  22.38)    1.57                68