Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 7 11.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2023   08:07:29   (  74.54,  45.57) 07/21/2023   08:06:20  (  74.53,  43.53)   60.54                69
 07/21/2023   08:58:21   ( -74.91,-148.12) 07/21/2023   08:57:09  ( -74.90,-148.14)    1.24                72
 07/21/2023   09:49:07   (  74.94,  19.11) 07/21/2023   09:48:11  (  74.91,  19.13)    2.94                56
 07/21/2023   10:39:51   ( -74.92,-173.52) 07/21/2023   10:39:07  ( -74.95,-173.50)    3.23                44
 07/21/2023   11:30:37   (  74.94,  -6.28) 07/21/2023   11:30:09  (  74.96,  -6.23)    2.07                28
 07/21/2023   12:21:21   ( -74.92, 161.09) 07/21/2023   12:21:06  ( -74.95, 161.01)    3.24                15
 07/21/2023   13:12:07   (  74.95, -31.68) 07/21/2023   13:12:08  (  74.95, -31.72)    1.36                 1
 07/21/2023   14:02:52   ( -74.98, 135.56) 07/21/2023   14:03:04  ( -74.99, 135.65)    3.06                12
 07/21/2023   14:53:38   (  75.01, -57.21) 07/21/2023   14:54:06  (  75.00, -57.08)    3.88                28
 07/21/2023   15:44:22   ( -74.99, 110.16) 07/21/2023   15:45:03  ( -74.99, 110.16)    0.33                41
 07/21/2023   16:35:08   (  75.02, -82.61) 07/21/2023   16:36:05  (  75.00, -82.58)    1.99                57
 07/21/2023   17:25:52   ( -75.00,  84.76) 07/21/2023   17:27:02  ( -74.99,  84.66)    2.96                70
 07/21/2023   18:16:48   (  75.50,-109.42) 07/21/2023   18:17:55  (  75.41,-106.76)   74.82                67