Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 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)
 02/12/2023   12:02:11   ( -70.83, 174.67) 02/12/2023   12:03:21  ( -70.71, 175.67)   38.84                70
 02/12/2023   12:52:48   (  70.35, -17.25) 02/12/2023   12:52:49  (  70.34, -17.22)    1.81                 1
 02/12/2023   13:43:29   ( -70.21, 150.28) 02/12/2023   13:42:15  ( -70.23, 150.29)    2.92                74
 02/15/2023   00:56:04   ( -70.87, -18.88) 02/15/2023   00:57:14  ( -70.79, -17.70)   43.64                70
 02/15/2023   01:46:40   (  70.34, 149.28) 02/15/2023   01:46:43  (  70.36, 149.31)    1.99                 3
 02/15/2023   02:37:21   ( -70.20, -43.18) 02/15/2023   02:36:10  ( -70.21, -43.25)    2.94                71
 02/17/2023   13:49:57   ( -70.93, 147.55) 02/17/2023   13:51:07  ( -70.82, 148.85)   48.49                70
 02/17/2023   14:40:32   (  70.35, -44.20) 02/17/2023   14:40:37  (  70.32, -44.23)    3.21                 5
 02/17/2023   15:31:14   ( -70.26, 123.26) 02/17/2023   15:30:03  ( -70.23, 123.29)    2.99                71
 02/20/2023   02:43:49   ( -70.95, -45.95) 02/20/2023   02:44:59  ( -70.85, -44.60)   50.34                70
 02/20/2023   03:34:24   (  70.38, 122.29) 02/20/2023   03:34:29  (  70.35, 122.32)    3.18                 5
 02/20/2023   04:25:05   ( -70.23, -70.16) 02/20/2023   04:23:56  ( -70.21, -70.23)    3.28                69
 02/22/2023   15:37:41   ( -70.98, 120.52) 02/22/2023   15:38:50  ( -70.89, 121.97)   53.52                69
 02/22/2023   16:28:15   (  70.36, -71.16) 02/22/2023   16:28:20  (  70.38, -71.13)    1.89                 5
 02/22/2023   17:18:57   ( -70.26,  96.31) 02/22/2023   17:17:47  ( -70.24,  96.32)    2.37                70