Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 10.  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)
 03/12/2023   09:55:11   ( -70.40,-153.01) 03/12/2023   09:55:39  ( -70.42,-153.09)    3.30                28
 03/12/2023   10:45:56   (  70.35,  14.39) 03/12/2023   10:45:01  (  70.34,  14.46)    2.84                55
 03/14/2023   21:58:38   (  71.30,-155.30) 03/14/2023   21:59:45  (  71.18,-153.05)   81.75                67
 03/14/2023   22:49:05   ( -70.42,  13.48) 03/14/2023   22:49:23  ( -70.44,  13.48)    1.29                18
 03/14/2023   23:39:49   (  70.32,-179.05) 03/14/2023   23:38:46  (  70.30,-179.05)    2.21                63
 03/17/2023   10:52:24   (  70.93,  11.86) 03/17/2023   10:53:34  (  70.85,  13.00)   42.16                70
 03/17/2023   11:42:58   ( -70.41,-179.98) 03/17/2023   11:43:06  ( -70.44,-179.96)    3.42                 8
 03/17/2023   12:33:42   (  70.31, -12.51) 03/17/2023   12:32:29  (  70.30, -12.50)    0.75                73
 03/19/2023   23:46:10   (  70.57, 178.98) 03/19/2023   23:47:21  (  70.57, 179.13)    5.64                71
 03/20/2023   00:36:51   ( -70.42, -13.46) 03/20/2023   00:36:48  ( -70.44, -13.42)    2.66                 3
 03/20/2023   01:27:28   (  69.94, 154.57) 03/20/2023   01:26:17  (  69.96, 153.57)   38.27                71
 03/22/2023   12:40:01   (  70.49, -14.37) 03/22/2023   12:41:03  (  70.50, -14.42)    2.26                62
 03/22/2023   13:30:43   ( -70.39, 153.11) 03/22/2023   13:30:29  ( -70.42, 153.11)    3.50                14