Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 9.  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)
 02/09/2023   23:08:16   ( -70.68,   8.38) 02/09/2023   23:09:28  ( -70.59,   8.99)   24.63                72
 02/09/2023   23:58:55   (  70.30, 176.29) 02/09/2023   23:58:54  (  70.33, 176.28)    3.08                 1
 02/10/2023   00:49:35   ( -70.11, -16.10) 02/10/2023   00:48:21  ( -70.17, -16.31)   10.03                74
 02/12/2023   12:02:11   ( -70.81, 174.69) 02/12/2023   12:03:22  ( -70.68, 175.62)   37.29                71
 02/12/2023   12:52:48   (  70.34, -17.23) 02/12/2023   12:52:49  (  70.36, -17.18)    3.20                 1
 02/12/2023   13:43:29   ( -70.19, 150.30) 02/12/2023   13:42:16  ( -70.20, 150.24)    2.57                73
 02/15/2023   00:56:05   ( -70.91, -18.94) 02/15/2023   00:57:15  ( -70.78, -17.73)   46.47                70
 02/15/2023   01:46:40   (  70.33, 149.30) 02/15/2023   01:46:44  (  70.34, 149.29)    1.64                 4
 02/15/2023   02:37:22   ( -70.24, -43.24) 02/15/2023   02:36:10  ( -70.25, -43.20)    1.90                72
 02/17/2023   13:49:58   ( -70.96, 147.50) 02/17/2023   13:51:08  ( -70.84, 148.86)   51.66                70
 02/17/2023   14:40:32   (  70.34, -44.18) 02/17/2023   14:40:38  (  70.34, -44.21)    1.36                 6
 02/17/2023   15:31:14   ( -70.24, 123.29) 02/17/2023   15:30:04  ( -70.25, 123.31)    1.07                70
 02/20/2023   02:43:51   ( -71.03, -46.09) 02/20/2023   02:45:00  ( -70.90, -44.53)   58.35                69
 02/20/2023   03:34:24   (  70.36, 122.32) 02/20/2023   03:34:31  (  70.34, 122.30)    2.00                 7
 02/20/2023   04:25:06   ( -70.26, -70.21) 02/20/2023   04:23:57  ( -70.26, -70.17)    1.50                69
 02/22/2023   15:37:42   ( -71.06, 120.39) 02/22/2023   15:38:51  ( -70.92, 122.00)   60.73                69
 02/22/2023   16:28:14   (  70.34, -71.12) 02/22/2023   16:28:22  (  70.35, -71.17)    2.66                 8
 02/22/2023   17:18:56   ( -70.24,  96.35) 02/22/2023   17:17:49  ( -70.22,  96.28)    3.14                67