Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 6.  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   ( -70.58,-157.98) 02/07/2023   10:15:33  ( -70.54,-157.57)   15.65                71
 02/07/2023   11:05:03   (  70.31,   9.76) 02/07/2023   11:04:59  (  70.29,   9.73)    2.44                 4
 02/07/2023   11:55:40   ( -69.96, 177.62) 02/07/2023   11:54:28  ( -70.01, 176.99)   24.81                72
 02/09/2023   23:08:17   ( -70.69,   8.37) 02/09/2023   23:09:29  ( -70.60,   9.00)   25.74                72
 02/09/2023   23:58:56   (  70.32, 176.27) 02/09/2023   23:58:55  (  70.34, 176.29)    2.20                 1
 02/10/2023   00:49:36   ( -70.12, -16.11) 02/10/2023   00:48:22  ( -70.18, -16.29)    9.11                74
 02/12/2023   12:02:13   ( -70.86, 174.61) 02/12/2023   12:03:23  ( -70.74, 175.71)   42.38                70
 02/12/2023   12:52:49   (  70.34, -17.23) 02/12/2023   12:52:51  (  70.36, -17.19)    3.32                 2
 02/12/2023   13:43:30   ( -70.19, 150.31) 02/12/2023   13:42:18  ( -70.21, 150.24)    3.21                72
 02/15/2023   00:56:06   ( -70.93, -18.98) 02/15/2023   00:57:16  ( -70.85, -17.62)   50.34                70
 02/15/2023   01:46:41   (  70.36, 149.25) 02/15/2023   01:46:46  (  70.36, 149.31)    1.96                 5
 02/15/2023   02:37:22   ( -70.21, -43.20) 02/15/2023   02:36:13  ( -70.21, -43.25)    2.14                69
 02/17/2023   13:50:01   ( -71.06, 147.32) 02/17/2023   13:51:10  ( -70.95, 149.01)   62.65                69
 02/17/2023   14:40:33   (  70.34, -44.18) 02/17/2023   14:40:42  (  70.34, -44.23)    1.80                 9
 02/17/2023   15:31:15   ( -70.24, 123.29) 02/17/2023   15:30:08  ( -70.25, 123.30)    1.60                67
 02/20/2023   02:43:55   ( -71.15, -46.30) 02/20/2023   02:45:03  ( -71.07, -44.30)   72.46                68