Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 29.  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, 115.92) 12/02/2023   15:30:33  ( -73.93, 114.73)   36.90                72
 12/02/2023   16:22:36   (  74.16, -77.41) 12/02/2023   16:21:29  (  74.15, -77.45)    1.48                67
 12/02/2023   17:13:20   ( -74.15,  89.93) 12/02/2023   17:12:27  ( -74.15,  89.81)    3.67                53
 12/02/2023   18:04:06   (  74.17,-102.79) 12/02/2023   18:03:27  (  74.18,-102.86)    2.68                39
 12/02/2023   18:54:51   ( -74.21,  64.43) 12/02/2023   18:54:25  ( -74.18,  64.39)    2.78                26
 12/02/2023   19:45:37   (  74.22,-128.30) 12/02/2023   19:45:25  (  74.21,-128.28)    1.16                12
 12/02/2023   20:36:21   ( -74.21,  39.04) 12/02/2023   20:36:23  ( -74.21,  38.98)    1.93                 2
 12/02/2023   21:27:07   (  74.22,-153.68) 12/02/2023   21:27:23  (  74.24,-153.70)    1.87                16
 12/02/2023   22:17:52   ( -74.26,  13.54) 12/02/2023   22:18:21  ( -74.24,  13.57)    2.48                29
 12/02/2023   23:08:38   (  74.28,-179.19) 12/02/2023   23:09:21  (  74.27,-179.11)    2.55                43
 12/02/2023   23:59:22   ( -74.26, -11.85) 12/03/2023   00:00:19  ( -74.27, -11.85)    0.54                57
 12/03/2023   00:50:08   (  74.28, 155.43) 12/03/2023   00:51:19  (  74.30, 155.47)    2.40                71
 12/03/2023   01:41:00   ( -74.65, -38.25) 12/03/2023   01:42:10  ( -74.63, -36.34)   56.27                70