Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 8.  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   (  74.28, -49.17) 09/08/2025   14:31:06  (  74.27, -49.26)    2.98                51
 09/08/2025   15:20:58   ( -74.23, 118.29) 09/08/2025   15:20:28  ( -74.21, 118.27)    1.44                30
 09/11/2025   00:51:54   ( -74.31, -24.64) 09/11/2025   00:52:41  ( -74.30, -24.65)    0.91                47
 09/11/2025   01:42:37   (  74.22, 142.89) 09/11/2025   01:41:59  (  74.20, 142.81)    3.01                38
 09/13/2025   11:13:33   (  74.31,  -0.06) 09/13/2025   11:14:11  (  74.31,  -0.05)    0.69                38
 09/13/2025   12:04:16   ( -74.25, 167.40) 09/13/2025   12:03:33  ( -74.26, 167.50)    3.40                43
 09/15/2025   21:35:11   ( -74.29,  24.57) 09/15/2025   21:35:46  ( -74.30,  24.48)    2.63                35
 09/15/2025   22:25:56   (  74.26,-168.03) 09/15/2025   22:25:04  (  74.25,-167.96)    2.24                52
 09/18/2025   07:56:51   (  74.30,  49.13) 09/18/2025   07:57:16  (  74.31,  49.09)    1.90                25
 09/18/2025   08:47:34   ( -74.25,-143.42) 09/18/2025   08:46:38  ( -74.27,-143.35)    3.15                56
 09/20/2025   18:18:29   ( -74.30,  73.72) 09/20/2025   18:18:50  ( -74.31,  73.65)    2.65                21