Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 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)
 02/07/2023   10:14:22   ( -70.59,-157.99) 02/07/2023   10:15:33  ( -70.53,-157.59)   16.35                71
 02/07/2023   11:05:03   (  70.32,   9.75) 02/07/2023   11:04:58  (  70.33,   9.79)    2.43                 5
 02/07/2023   11:55:40   ( -69.97, 177.60) 02/07/2023   11:54:28  ( -70.00, 176.97)   24.46                72
 02/09/2023   23:08:17   ( -70.70,   8.34) 02/09/2023   23:09:29  ( -70.57,   8.97)   27.33                72
 02/09/2023   23:58:56   (  70.33, 176.25) 02/09/2023   23:58:55  (  70.31, 176.25)    1.95                 1
 02/10/2023   00:49:35   ( -70.08, -16.05) 02/10/2023   00:48:22  ( -70.15, -16.33)   12.85                73
 02/12/2023   12:02:12   ( -70.83, 174.66) 02/12/2023   12:03:23  ( -70.69, 175.64)   38.95                71
 02/12/2023   12:52:48   (  70.30, -17.18) 02/12/2023   12:52:51  (  70.32, -17.25)    3.01                 3
 02/12/2023   13:43:30   ( -70.21, 150.28) 02/12/2023   13:42:17  ( -70.22, 150.26)    1.14                73
 02/15/2023   00:56:06   ( -70.91, -18.95) 02/15/2023   00:57:16  ( -70.84, -17.64)   48.26                70
 02/15/2023   01:46:41   (  70.34, 149.29) 02/15/2023   01:46:46  (  70.35, 149.29)    1.40                 5
 02/15/2023   02:37:23   ( -70.24, -43.24) 02/15/2023   02:36:12  ( -70.26, -43.19)    2.58                71
 02/17/2023   13:50:00   ( -71.05, 147.34) 02/17/2023   13:51:09  ( -70.90, 148.95)   60.82                69
 02/17/2023   14:40:32   (  70.32, -44.16) 02/17/2023   14:40:40  (  70.35, -44.21)    3.02                 8
 02/17/2023   15:31:14   ( -70.23, 123.30) 02/17/2023   15:30:07  ( -70.21, 123.24)    3.41                67
 02/20/2023   02:43:53   ( -71.10, -46.21) 02/20/2023   02:45:02  ( -70.99, -44.42)   66.10                69
 02/20/2023   03:34:25   (  70.38, 122.28) 02/20/2023   03:34:34  (  70.37, 122.33)    1.67                 9
 02/20/2023   04:25:06   ( -70.22, -70.16) 02/20/2023   04:24:01  ( -70.24, -70.22)    2.59                65