Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 23.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2025   14:11:16   (  74.94, -46.15) 09/25/2025   14:12:23  (  74.86, -43.61)   74.06                67
 09/25/2025   15:01:47   ( -74.33, 122.83) 09/25/2025   15:01:54  ( -74.33, 122.81)    0.93                 7
 09/25/2025   15:52:27   (  74.02, -69.10) 09/25/2025   15:51:16  (  74.08, -70.08)   30.67                71
 09/28/2025   00:32:50   ( -74.78, -21.11) 09/28/2025   00:33:59  ( -74.67, -19.50)   48.86                69
 09/28/2025   01:23:27   (  74.34, 147.38) 09/28/2025   01:23:23  (  74.32, 147.36)    2.44                 4
 09/28/2025   02:14:01   ( -73.87, -44.12) 09/28/2025   02:12:52  ( -73.90, -45.92)   55.81                69
 09/30/2025   10:54:22   (  74.42,   4.46) 09/30/2025   10:55:32  (  74.42,   4.49)    0.89                70
 09/30/2025   11:45:04   ( -74.34, 171.99) 09/30/2025   11:44:54  ( -74.36, 172.01)    2.41                10
 10/02/2025   21:15:58   ( -74.42,  29.04) 10/02/2025   21:17:02  ( -74.42,  29.07)    0.87                64
 10/02/2025   22:06:42   (  74.32,-163.38) 10/02/2025   22:06:21  (  74.33,-163.46)    3.03                21
 10/05/2025   07:37:37   (  74.41,  53.66) 10/05/2025   07:38:29  (  74.42,  53.64)    0.54                52
 10/05/2025   08:28:19   ( -74.33,-138.82) 10/05/2025   08:27:51  ( -74.35,-138.84)    2.27                28
 10/07/2025   17:59:14   ( -74.44,  78.20) 10/07/2025   17:59:58  ( -74.45,  78.30)    3.75                44
 10/07/2025   18:49:58   (  74.33,-114.22) 10/07/2025   18:49:17  (  74.37,-114.22)    3.80                41