Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 23.  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   15:31:46   ( -73.92, 115.88) 12/02/2023   15:30:34  ( -73.92, 114.69)   36.79                72
 12/02/2023   16:22:37   (  74.19, -77.47) 12/02/2023   16:21:29  (  74.18, -77.37)    3.07                68
 12/02/2023   17:13:21   ( -74.17,  89.89) 12/02/2023   17:12:27  ( -74.18,  89.90)    1.79                54
 12/02/2023   18:04:07   (  74.19,-102.85) 12/02/2023   18:03:27  (  74.21,-102.78)    3.14                40
 12/02/2023   18:54:52   ( -74.22,  64.39) 12/02/2023   18:54:25  ( -74.21,  64.49)    3.02                27
 12/02/2023   19:45:37   (  74.19,-128.23) 12/02/2023   19:45:26  (  74.19,-128.33)    2.92                11
 12/02/2023   20:36:22   ( -74.22,  39.01) 12/02/2023   20:36:23  ( -74.24,  39.07)    2.92                 1
 12/02/2023   21:27:08   (  74.24,-153.74) 12/02/2023   21:27:24  (  74.22,-153.74)    2.72                16
 12/02/2023   22:17:52   ( -74.23,  13.62) 12/02/2023   22:18:22  ( -74.22,  13.53)    2.90                30
 12/02/2023   23:08:38   (  74.25,-179.12) 12/02/2023   23:09:22  (  74.25,-179.16)    1.19                44
 12/02/2023   23:59:23   ( -74.28, -11.88) 12/03/2023   00:00:20  ( -74.25, -11.88)    2.73                57
 12/03/2023   00:50:09   (  74.30, 155.37) 12/03/2023   00:51:20  (  74.28, 155.43)    2.96                71
 12/03/2023   01:41:01   ( -74.67, -38.29) 12/03/2023   01:42:10  ( -74.66, -36.24)   60.07                69