Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 6.  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, -17.74) 04/20/2023   00:29:04  ( -76.72, -17.62)    3.21                75
 04/20/2023   01:21:05   (  76.68, 149.65) 04/20/2023   01:19:59  (  76.69, 149.54)    3.04                66
 04/20/2023   02:11:51   ( -76.73, -43.22) 04/20/2023   02:11:03  ( -76.72, -43.08)    3.58                48
 04/20/2023   03:02:37   (  76.71, 124.18) 04/20/2023   03:01:58  (  76.70, 124.08)    2.73                39
 04/20/2023   03:53:22   ( -76.71, -68.52) 04/20/2023   03:53:02  ( -76.73, -68.53)    2.73                20
 04/20/2023   04:44:09   (  76.73,  98.70) 04/20/2023   04:43:56  (  76.75,  98.80)    3.25                13
 04/20/2023   05:34:54   ( -76.73, -93.99) 04/20/2023   05:35:01  ( -76.74, -93.99)    1.10                 7
 04/20/2023   06:25:41   (  76.76,  73.23) 04/20/2023   06:25:55  (  76.76,  73.35)    3.08                14
 04/20/2023   07:16:26   ( -76.76,-119.47) 04/20/2023   07:17:00  ( -76.75,-119.44)    0.81                34
 04/20/2023   08:07:12   (  76.74,  47.93) 04/20/2023   08:07:54  (  76.77,  47.89)    3.61                42
 04/20/2023   08:57:58   ( -76.78,-144.94) 04/20/2023   08:58:59  ( -76.76,-144.90)    2.41                61
 04/20/2023   09:48:44   (  76.76,  22.45) 04/20/2023   09:49:53  (  76.78,  22.43)    1.86                69