Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 3 1.  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)
 03/04/2023   10:02:26   ( -76.48,-160.52) 03/04/2023   10:01:18  ( -76.45,-163.16)   68.84                68
 03/04/2023   10:53:20   (  76.81,   5.51) 03/04/2023   10:52:14  (  76.80,   5.52)    0.80                66
 03/04/2023   11:44:05   ( -76.81, 172.82) 03/04/2023   11:43:09  ( -76.81, 172.82)    0.42                56
 03/04/2023   12:34:52   (  76.83, -19.94) 03/04/2023   12:34:13  (  76.82, -19.91)    1.51                39
 03/04/2023   13:25:37   ( -76.83, 147.36) 03/04/2023   13:25:08  ( -76.82, 147.39)    1.11                29
 03/04/2023   14:16:24   (  76.85, -45.40) 03/04/2023   14:16:12  (  76.83, -45.33)    2.31                12
 03/04/2023   15:07:09   ( -76.85, 121.90) 03/04/2023   15:07:07  ( -76.84, 121.96)    1.92                 2
 03/04/2023   15:57:56   (  76.87, -70.86) 03/04/2023   15:58:11  (  76.85, -70.76)    3.13                15
 03/04/2023   16:48:41   ( -76.87,  96.44) 03/04/2023   16:49:06  ( -76.85,  96.53)    2.76                25
 03/04/2023   17:39:27   (  76.84, -96.14) 03/04/2023   17:40:10  (  76.86, -96.19)    2.83                43
 03/04/2023   18:30:12   ( -76.84,  71.16) 03/04/2023   18:31:05  ( -76.87,  71.11)    3.24                53
 03/04/2023   19:20:59   (  76.86,-121.60) 03/04/2023   19:22:09  (  76.88,-121.62)    2.17                70
 03/04/2023   20:11:49   ( -77.08,  44.80) 03/04/2023   20:13:00  ( -77.05,  46.42)   40.37                71