Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 7.  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)
 09/08/2025   14:30:15   (  74.30, -49.21) 09/08/2025   14:31:05  (  74.30, -49.19)    1.00                50
 09/08/2025   15:20:58   ( -74.24, 118.25) 09/08/2025   15:20:27  ( -74.25, 118.35)    3.08                31
 09/11/2025   00:51:54   ( -74.32, -24.68) 09/11/2025   00:52:40  ( -74.33, -24.58)    3.14                46
 09/11/2025   01:42:38   (  74.24, 142.84) 09/11/2025   01:41:59  (  74.23, 142.88)    1.51                39
 09/13/2025   11:13:34   (  74.32,  -0.10) 09/13/2025   11:14:11  (  74.33,  -0.00)    3.17                37
 09/13/2025   12:04:16   ( -74.22, 167.48) 09/13/2025   12:03:34  ( -74.23, 167.44)    1.86                42
 09/15/2025   21:35:12   ( -74.31,  24.52) 09/15/2025   21:35:46  ( -74.31,  24.51)    0.40                34
 09/15/2025   22:25:56   (  74.22,-167.95) 09/15/2025   22:25:04  (  74.26,-167.93)    3.63                52
 09/18/2025   07:56:51   (  74.32,  49.09) 09/18/2025   07:57:15  (  74.31,  49.08)    1.36                24
 09/18/2025   08:47:34   ( -74.27,-143.46) 09/18/2025   08:46:37  ( -74.27,-143.36)    3.24                57
 09/20/2025   18:18:29   ( -74.32,  73.68) 09/20/2025   18:18:48  ( -74.34,  73.72)    3.08                19