Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 20.  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)
 09/23/2025   04:40:09   (  74.31,  98.29) 09/23/2025   04:40:21  (  74.32,  98.22)    2.34                12
 09/23/2025   05:30:52   ( -74.27, -94.30) 09/23/2025   05:29:43  ( -74.26, -94.25)    2.03                69
 09/25/2025   14:11:17   (  74.99, -46.29) 09/25/2025   14:12:23  (  74.86, -43.59)   79.39                66
 09/25/2025   15:01:47   ( -74.33, 122.83) 09/25/2025   15:01:54  ( -74.34, 122.83)    1.48                 7
 09/25/2025   15:52:27   (  74.03, -69.11) 09/25/2025   15:51:16  (  74.09, -70.06)   29.95                71
 09/28/2025   00:32:50   ( -74.78, -21.09) 09/28/2025   00:34:00  ( -74.66, -19.53)   47.51                70
 09/28/2025   01:23:27   (  74.33, 147.40) 09/28/2025   01:23:23  (  74.35, 147.44)    2.43                 4
 09/28/2025   02:14:01   ( -73.86, -44.10) 09/28/2025   02:12:52  ( -73.93, -45.84)   54.36                69
 09/30/2025   10:54:22   (  74.40,   4.51) 09/30/2025   10:55:34  (  74.39,   4.42)    2.85                72
 09/30/2025   11:45:04   ( -74.32, 172.04) 09/30/2025   11:44:56  ( -74.33, 171.95)    3.27                 8
 10/02/2025   21:16:00   ( -74.43,  29.01) 10/02/2025   21:17:05  ( -74.45,  29.12)    3.79                65
 10/02/2025   22:06:44   (  74.33,-163.41) 10/02/2025   22:06:24  (  74.36,-163.42)    2.70                20