Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 6 5.  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)
 06/05/2023   16:38:34   ( -76.13, 102.94) 06/05/2023   16:37:29  ( -76.13,  99.41)   94.02                65
 06/05/2023   17:29:30   (  76.58, -91.43) 06/05/2023   17:28:18  (  76.58, -91.60)    4.44                72
 06/05/2023   18:20:16   ( -76.59,  75.82) 06/05/2023   18:19:17  ( -76.62,  75.80)    2.37                59
 06/05/2023   19:11:02   (  76.60,-116.89) 06/05/2023   19:10:16  (  76.63,-116.90)    3.11                46
 06/05/2023   20:01:48   ( -76.62,  50.35) 06/05/2023   20:01:16  ( -76.62,  50.32)    0.91                32
 06/05/2023   20:52:34   (  76.62,-142.35) 06/05/2023   20:52:15  (  76.63,-142.38)    1.31                19
 06/05/2023   21:43:20   ( -76.64,  24.89) 06/05/2023   21:43:15  ( -76.62,  24.84)    2.07                 5
 06/05/2023   22:34:06   (  76.64,-167.82) 06/05/2023   22:34:14  (  76.63,-167.85)    1.19                 8
 06/05/2023   23:24:52   ( -76.66,  -0.57) 06/05/2023   23:25:13  ( -76.67,  -0.46)    3.07                21
 06/06/2023   00:15:38   (  76.66, 166.72) 06/06/2023   00:16:13  (  76.64, 166.67)    2.95                35
 06/06/2023   01:06:24   ( -76.68, -26.04) 06/06/2023   01:07:12  ( -76.67, -25.94)    2.59                48
 06/06/2023   01:57:10   (  76.68, 141.25) 06/06/2023   01:58:11  (  76.69, 141.37)    2.98                61
 06/06/2023   02:47:57   ( -76.74, -51.68) 06/06/2023   02:49:11  ( -76.68, -51.42)   10.07                74