Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 8 11.  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)
 08/23/2023   00:31:30   ( -76.10, -14.09) 08/23/2023   00:30:22  ( -76.06, -16.73)   70.55                68
 08/23/2023   01:22:23   (  76.39, 152.16) 08/23/2023   01:21:09  (  76.40, 151.82)    8.80                74
 08/23/2023   02:13:09   ( -76.44, -40.72) 08/23/2023   02:12:12  ( -76.45, -40.73)    1.07                57
 08/23/2023   03:03:56   (  76.47, 126.51) 08/23/2023   03:03:07  (  76.44, 126.48)    3.21                49
 08/23/2023   03:54:41   ( -76.47, -66.20) 08/23/2023   03:54:11  ( -76.45, -66.24)    2.69                30
 08/23/2023   04:45:28   (  76.49, 101.03) 08/23/2023   04:45:05  (  76.48, 101.14)    3.43                23
 08/23/2023   05:36:13   ( -76.50, -91.67) 08/23/2023   05:36:09  ( -76.49, -91.58)    2.62                 4
 08/23/2023   06:26:59   (  76.47,  75.72) 08/23/2023   06:27:04  (  76.47,  75.63)    2.28                 5
 08/23/2023   07:17:44   ( -76.48,-116.99) 08/23/2023   07:18:08  ( -76.48,-117.09)    2.78                24
 08/23/2023   08:08:31   (  76.50,  50.24) 08/23/2023   08:09:02  (  76.51,  50.29)    1.83                31
 08/23/2023   08:59:16   ( -76.50,-142.46) 08/23/2023   09:00:06  ( -76.52,-142.43)    2.29                50
 08/23/2023   09:50:03   (  76.53,  24.75) 08/23/2023   09:51:01  (  76.51,  24.78)    2.41                58
 08/23/2023   10:40:50   ( -76.62,-168.29) 08/23/2023   10:42:03  ( -76.60,-167.59)   18.06                73
 08/23/2023   11:31:45   (  76.99,  -2.49) 08/23/2023   11:32:50  (  76.93,   1.06)   89.42                65