Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 5.  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,-157.58)   16.51                71
 02/07/2023   11:05:03   (  70.32,   9.74) 02/07/2023   11:04:58  (  70.33,   9.79)    2.36                 5
 02/07/2023   11:55:40   ( -69.97, 177.60) 02/07/2023   11:54:28  ( -70.00, 176.97)   24.23                72
 02/09/2023   23:08:17   ( -70.70,   8.35) 02/09/2023   23:09:29  ( -70.59,   8.99)   26.75                72
 02/09/2023   23:58:56   (  70.33, 176.25) 02/09/2023   23:58:55  (  70.33, 176.28)    0.88                 1
 02/10/2023   00:49:35   ( -70.08, -16.05) 02/10/2023   00:48:23  ( -70.12, -16.38)   13.20                72
 02/12/2023   12:02:13   ( -70.87, 174.60) 02/12/2023   12:03:23  ( -70.74, 175.70)   43.18                70
 02/12/2023   12:52:49   (  70.35, -17.25) 02/12/2023   12:52:51  (  70.36, -17.19)    2.53                 2
 02/12/2023   13:43:30   ( -70.20, 150.30) 02/12/2023   13:42:18  ( -70.21, 150.24)    2.23                72
 02/15/2023   00:56:07   ( -70.94, -19.00) 02/15/2023   00:57:17  ( -70.86, -17.62)   51.03                70
 02/15/2023   01:46:42   (  70.37, 149.24) 02/15/2023   01:46:47  (  70.36, 149.31)    2.63                 5
 02/15/2023   02:37:23   ( -70.22, -43.21) 02/15/2023   02:36:14  ( -70.22, -43.25)    1.48                69
 02/17/2023   13:50:01   ( -71.07, 147.31) 02/17/2023   13:51:10  ( -70.95, 149.03)   63.42                69
 02/17/2023   14:40:33   (  70.34, -44.20) 02/17/2023   14:40:42  (  70.34, -44.22)    0.94                 9
 02/17/2023   15:31:15   ( -70.24, 123.28) 02/17/2023   15:30:08  ( -70.26, 123.31)    2.30                67