Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 8 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)
 08/23/2023   00:31:29   ( -76.06, -13.94) 08/23/2023   00:30:22  ( -76.06, -16.74)   75.08                67
 08/23/2023   01:22:23   (  76.39, 152.16) 08/23/2023   01:21:09  (  76.40, 151.81)    9.12                74
 08/23/2023   02:13:09   ( -76.45, -40.73) 08/23/2023   02:12:12  ( -76.45, -40.76)    0.77                57
 08/23/2023   03:03:56   (  76.46, 126.51) 08/23/2023   03:03:07  (  76.44, 126.47)    3.36                49
 08/23/2023   03:54:41   ( -76.47, -66.20) 08/23/2023   03:54:10  ( -76.49, -66.09)    3.31                31
 08/23/2023   04:45:28   (  76.49, 101.03) 08/23/2023   04:45:05  (  76.47, 101.13)    3.19                23
 08/23/2023   05:36:13   ( -76.50, -91.68) 08/23/2023   05:36:09  ( -76.48, -91.60)    2.79                 4
 08/23/2023   06:26:59   (  76.47,  75.72) 08/23/2023   06:27:04  (  76.47,  75.62)    2.62                 5
 08/23/2023   07:17:44   ( -76.48,-117.00) 08/23/2023   07:18:08  ( -76.48,-117.11)    3.03                24
 08/23/2023   08:08:31   (  76.50,  50.24) 08/23/2023   08:09:02  (  76.51,  50.28)    1.51                31
 08/23/2023   08:59:16   ( -76.51,-142.47) 08/23/2023   09:00:06  ( -76.52,-142.45)    1.39                50
 08/23/2023   09:50:03   (  76.53,  24.76) 08/23/2023   09:51:01  (  76.50,  24.77)    2.43                58
 08/23/2023   10:40:50   ( -76.62,-168.30) 08/23/2023   10:42:03  ( -76.60,-167.61)   17.84                73
 08/23/2023   11:31:45   (  76.99,  -2.49) 08/23/2023   11:32:50  (  76.93,   1.05)   89.08                65