Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 15.  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)
 09/15/2025   21:35:12   ( -74.32,  24.50) 09/15/2025   21:35:47  ( -74.29,  24.46)    3.29                35
 09/15/2025   22:25:56   (  74.23,-167.95) 09/15/2025   22:25:05  (  74.25,-167.96)    2.87                51
 09/18/2025   07:56:52   (  74.32,  49.09) 09/18/2025   07:57:17  (  74.34,  49.13)    2.89                25
 09/18/2025   08:47:34   ( -74.22,-143.36) 09/18/2025   08:46:40  ( -74.24,-143.44)    2.85                54
 09/20/2025   18:18:30   ( -74.32,  73.68) 09/20/2025   18:18:52  ( -74.31,  73.63)    1.77                22
 09/20/2025   19:09:14   (  74.27,-118.89) 09/20/2025   19:08:09  (  74.26,-118.81)    2.79                65
 09/23/2025   04:40:09   (  74.32,  98.25) 09/23/2025   04:40:21  (  74.32,  98.22)    0.97                12
 09/23/2025   05:30:52   ( -74.28, -94.32) 09/23/2025   05:29:43  ( -74.27, -94.23)    3.00                69
 09/25/2025   14:11:17   (  75.00, -46.32) 09/25/2025   14:12:23  (  74.88, -43.55)   81.35                66
 09/25/2025   15:01:47   ( -74.33, 122.81) 09/25/2025   15:01:55  ( -74.32, 122.77)    2.44                 8
 09/25/2025   15:52:27   (  74.04, -69.13) 09/25/2025   15:51:16  (  74.11, -70.02)   28.07                71
 09/28/2025   00:32:51   ( -74.83, -21.23) 09/28/2025   00:34:00  ( -74.71, -19.42)   54.74                69
 09/28/2025   01:23:27   (  74.34, 147.38) 09/28/2025   01:23:24  (  74.35, 147.41)    1.19                 3