Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 11.  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)
 02/12/2023   12:02:11   ( -70.81, 174.70) 02/12/2023   12:03:22  ( -70.68, 175.62)   36.47                71
 02/12/2023   12:52:48   (  70.33, -17.22) 02/12/2023   12:52:50  (  70.31, -17.26)    2.52                 2
 02/12/2023   13:43:29   ( -70.19, 150.32) 02/12/2023   13:42:16  ( -70.20, 150.24)    3.44                73
 02/15/2023   00:56:05   ( -70.90, -18.93) 02/15/2023   00:57:15  ( -70.76, -17.75)   45.52                70
 02/15/2023   01:46:40   (  70.32, 149.32) 02/15/2023   01:46:44  (  70.33, 149.27)    2.12                 4
 02/15/2023   02:37:22   ( -70.23, -43.22) 02/15/2023   02:36:10  ( -70.23, -43.22)    0.26                72
 02/17/2023   13:49:58   ( -70.96, 147.51) 02/17/2023   13:51:07  ( -70.85, 148.88)   51.43                69
 02/17/2023   14:40:32   (  70.33, -44.16) 02/17/2023   14:40:37  (  70.35, -44.19)    2.97                 5
 02/17/2023   15:31:14   ( -70.23, 123.30) 02/17/2023   15:30:03  ( -70.26, 123.33)    3.09                71
 02/20/2023   02:43:49   ( -70.97, -45.99) 02/20/2023   02:44:58  ( -70.88, -44.56)   53.09                69
 02/20/2023   03:34:23   (  70.35, 122.33) 02/20/2023   03:34:28  (  70.37, 122.35)    3.16                 5
 02/20/2023   04:25:05   ( -70.25, -70.20) 02/20/2023   04:23:55  ( -70.23, -70.20)    2.00                70
 02/22/2023   15:37:40   ( -70.95, 120.57) 02/22/2023   15:38:50  ( -70.86, 121.92)   50.14                70
 02/22/2023   16:28:14   (  70.33, -71.11) 02/22/2023   16:28:20  (  70.34, -71.18)    3.05                 6
 02/22/2023   17:18:56   ( -70.23,  96.36) 02/22/2023   17:17:46  ( -70.26,  96.36)    3.64                70