Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 5 17.  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)
 05/21/2023   02:42:00   ( -76.55, -49.66) 05/21/2023   02:40:46  ( -76.55, -50.31)   16.80                74
 05/21/2023   03:32:48   (  76.64, 117.29) 05/21/2023   03:31:39  (  76.65, 117.37)    2.24                69
 05/21/2023   04:23:34   ( -76.66, -75.49) 05/21/2023   04:22:43  ( -76.64, -75.43)    3.26                51
 05/21/2023   05:14:20   (  76.67,  91.80) 05/21/2023   05:13:38  (  76.65,  91.90)    3.09                42
 05/21/2023   06:05:05   ( -76.65,-100.80) 05/21/2023   06:04:42  ( -76.64,-100.91)    2.83                23
 05/21/2023   06:55:51   (  76.65,  66.49) 05/21/2023   06:55:37  (  76.66,  66.43)    1.78                14
 05/21/2023   07:46:37   ( -76.67,-126.28) 05/21/2023   07:46:40  ( -76.69,-126.20)    2.82                 3
 05/21/2023   08:37:23   (  76.68,  41.01) 05/21/2023   08:37:36  (  76.66,  40.96)    1.96                13
 05/21/2023   09:28:09   ( -76.70,-151.77) 05/21/2023   09:28:39  ( -76.70,-151.68)    2.32                30
 05/21/2023   10:18:55   (  76.70,  15.52) 05/21/2023   10:19:34  (  76.71,  15.67)    3.78                39
 05/21/2023   11:09:40   ( -76.68,-177.08) 05/21/2023   11:10:38  ( -76.70,-177.15)    2.84                58
 05/21/2023   12:00:26   (  76.69,  -9.79) 05/21/2023   12:01:33  (  76.72,  -9.80)    3.51                67
 05/21/2023   12:51:22   ( -77.14, 155.64) 05/21/2023   12:52:28  ( -77.08, 159.03)   84.17                66