Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 8 14.  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   ( -76.08, -14.01) 08/23/2023   00:30:22  ( -76.08, -16.66)   70.83                68
 08/23/2023   01:22:24   (  76.41, 152.08) 08/23/2023   01:21:10  (  76.38, 151.73)   10.23                74
 08/23/2023   02:13:10   ( -76.46, -40.80) 08/23/2023   02:12:12  ( -76.47, -40.66)    3.53                58
 08/23/2023   03:03:56   (  76.44, 126.61) 08/23/2023   03:03:07  (  76.46, 126.56)    2.34                49
 08/23/2023   03:54:41   ( -76.45, -66.11) 08/23/2023   03:54:11  ( -76.47, -66.17)    2.72                30
 08/23/2023   04:45:28   (  76.47, 101.13) 08/23/2023   04:45:06  (  76.45, 101.05)    2.47                22
 08/23/2023   05:36:12   ( -76.47, -91.59) 08/23/2023   05:36:09  ( -76.46, -91.68)    2.75                 3
 08/23/2023   06:26:59   (  76.49,  75.64) 08/23/2023   06:27:03  (  76.49,  75.71)    1.68                 4
 08/23/2023   07:17:44   ( -76.50,-117.07) 08/23/2023   07:18:07  ( -76.50,-117.02)    1.25                23
 08/23/2023   08:08:31   (  76.52,  50.16) 08/23/2023   08:09:02  (  76.49,  50.20)    3.64                31
 08/23/2023   08:59:16   ( -76.53,-142.55) 08/23/2023   09:00:06  ( -76.50,-142.53)    3.17                50
 08/23/2023   09:50:02   (  76.50,  24.85) 08/23/2023   09:51:00  (  76.53,  24.86)    2.78                58
 08/23/2023   10:40:49   ( -76.60,-168.20) 08/23/2023   10:42:03  ( -76.58,-167.69)   13.18                74
 08/23/2023   11:31:44   (  76.97,  -2.39) 08/23/2023   11:32:49  (  76.95,   1.14)   88.69                65