Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 7 8.  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  (  74.52,  43.51)   61.17                69
 07/21/2023   08:58:21   ( -74.91,-148.11) 07/21/2023   08:57:09  ( -74.89,-148.16)    2.11                72
 07/21/2023   09:49:07   (  74.94,  19.11) 07/21/2023   09:48:10  (  74.95,  19.25)    4.03                57
 07/21/2023   10:39:51   ( -74.92,-173.51) 07/21/2023   10:39:07  ( -74.94,-173.52)    2.54                44
 07/21/2023   11:30:37   (  74.95,  -6.29) 07/21/2023   11:30:09  (  74.95,  -6.25)    0.98                28
 07/21/2023   12:21:21   ( -74.92, 161.09) 07/21/2023   12:21:06  ( -74.94, 160.99)    3.39                15
 07/21/2023   13:12:07   (  74.95, -31.68) 07/21/2023   13:12:08  (  74.94, -31.75)    2.23                 1
 07/21/2023   14:02:52   ( -74.98, 135.56) 07/21/2023   14:03:04  ( -74.98, 135.63)    2.13                12
 07/21/2023   14:53:37   (  74.96, -57.08) 07/21/2023   14:54:06  (  74.99, -57.11)    3.12                29
 07/21/2023   15:44:22   ( -74.99, 110.16) 07/21/2023   15:45:03  ( -74.98, 110.14)    0.94                41
 07/21/2023   16:35:08   (  75.02, -82.61) 07/21/2023   16:36:05  (  74.99, -82.60)    3.37                57
 07/21/2023   17:25:52   ( -75.00,  84.77) 07/21/2023   17:27:01  ( -75.03,  84.78)    3.66                69
 07/21/2023   18:16:46   (  75.45,-109.28) 07/21/2023   18:17:54  (  75.40,-106.79)   69.89                68