Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 17.  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)
 09/18/2025   07:56:51   (  74.30,  49.13) 09/18/2025   07:57:17  (  74.30,  49.05)    2.45                26
 09/18/2025   08:47:34   ( -74.26,-143.44) 09/18/2025   08:46:39  ( -74.25,-143.41)    1.45                55
 09/20/2025   18:18:29   ( -74.30,  73.71) 09/20/2025   18:18:51  ( -74.32,  73.65)    2.76                22
 09/20/2025   19:09:14   (  74.25,-118.85) 09/20/2025   19:08:10  (  74.23,-118.89)    3.35                64
 09/23/2025   04:40:10   (  74.35,  98.17) 09/23/2025   04:40:21  (  74.33,  98.25)    3.09                11
 09/23/2025   05:30:52   ( -74.26, -94.28) 09/23/2025   05:29:43  ( -74.28, -94.20)    3.11                69
 09/25/2025   14:11:17   (  74.98, -46.27) 09/25/2025   14:12:23  (  74.89, -43.53)   79.98                66
 09/25/2025   15:01:47   ( -74.32, 122.86) 09/25/2025   15:01:55  ( -74.32, 122.78)    2.28                 8
 09/25/2025   15:52:28   (  74.07, -69.21) 09/25/2025   15:51:16  (  74.12, -70.00)   24.73                72
 09/28/2025   00:32:51   ( -74.81, -21.18) 09/28/2025   00:34:00  ( -74.71, -19.41)   52.86                69
 09/28/2025   01:23:27   (  74.32, 147.43) 09/28/2025   01:23:24  (  74.35, 147.42)    3.01                 3
 09/28/2025   02:14:02   ( -73.89, -44.18) 09/28/2025   02:12:52  ( -73.99, -45.73)   48.80                70
 09/30/2025   10:54:23   (  74.43,   4.42) 09/30/2025   10:55:35  (  74.41,   4.46)    2.74                72
 09/30/2025   11:45:05   ( -74.34, 171.97) 09/30/2025   11:44:57  ( -74.36, 172.00)    1.65                 8