Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 26.  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)
 12/02/2023   15:31:45   ( -73.91, 115.91) 12/02/2023   15:30:33  ( -73.89, 114.63)   39.28                72
 12/02/2023   16:22:36   (  74.18, -77.44) 12/02/2023   16:21:28  (  74.16, -77.42)    1.57                68
 12/02/2023   17:13:20   ( -74.16,  89.92) 12/02/2023   17:12:26  ( -74.16,  89.84)    2.32                54
 12/02/2023   18:04:06   (  74.18,-102.82) 12/02/2023   18:03:26  (  74.19,-102.84)    1.34                40
 12/02/2023   18:54:51   ( -74.21,  64.41) 12/02/2023   18:54:24  ( -74.19,  64.42)    2.59                27
 12/02/2023   19:45:37   (  74.23,-128.33) 12/02/2023   19:45:24  (  74.22,-128.26)    2.61                13
 12/02/2023   20:36:21   ( -74.22,  39.03) 12/02/2023   20:36:22  ( -74.22,  39.01)    0.66                 1
 12/02/2023   21:27:07   (  74.23,-153.71) 12/02/2023   21:27:22  (  74.24,-153.68)    1.49                15
 12/02/2023   22:17:52   ( -74.27,  13.52) 12/02/2023   22:18:20  ( -74.25,  13.59)    3.25                28
 12/02/2023   23:08:37   (  74.24,-179.09) 12/02/2023   23:09:20  (  74.27,-179.09)    3.76                43
 12/02/2023   23:59:22   ( -74.27, -11.86) 12/03/2023   00:00:18  ( -74.27, -11.83)    1.13                56
 12/03/2023   00:50:08   (  74.29, 155.40) 12/03/2023   00:51:18  (  74.30, 155.49)    2.86                70
 12/03/2023   01:41:00   ( -74.66, -38.27) 12/03/2023   01:42:09  ( -74.63, -36.32)   57.44                69