Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 8.  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)
 02/09/2023   23:08:17   ( -70.71,   8.33) 02/09/2023   23:09:28  ( -70.61,   9.03)   27.81                71
 02/09/2023   23:58:56   (  70.34, 176.24) 02/09/2023   23:58:54  (  70.35, 176.31)    3.37                 2
 02/10/2023   00:49:35   ( -70.09, -16.06) 02/10/2023   00:48:22  ( -70.14, -16.35)   12.00                73
 02/12/2023   12:02:12   ( -70.84, 174.65) 02/12/2023   12:03:22  ( -70.72, 175.68)   40.09                70
 02/12/2023   12:52:49   (  70.36, -17.28) 02/12/2023   12:52:50  (  70.34, -17.21)    3.32                 1
 02/12/2023   13:43:30   ( -70.22, 150.26) 02/12/2023   13:42:16  ( -70.24, 150.30)    2.77                74
 02/15/2023   00:56:06   ( -70.93, -18.97) 02/15/2023   00:57:16  ( -70.79, -17.72)   48.10                70
 02/15/2023   01:46:41   (  70.35, 149.27) 02/15/2023   01:46:45  (  70.35, 149.30)    0.89                 4
 02/15/2023   02:37:23   ( -70.25, -43.26) 02/15/2023   02:36:11  ( -70.26, -43.19)    2.85                72
 02/17/2023   13:49:58   ( -70.97, 147.48) 02/17/2023   13:51:08  ( -70.87, 148.91)   52.98                70
 02/17/2023   14:40:32   (  70.34, -44.19) 02/17/2023   14:40:38  (  70.37, -44.17)    3.41                 6
 02/17/2023   15:31:14   ( -70.25, 123.27) 02/17/2023   15:30:05  ( -70.23, 123.28)    1.88                69
 02/20/2023   02:43:52   ( -71.08, -46.17) 02/20/2023   02:45:00  ( -70.97, -44.43)   63.88                68
 02/20/2023   03:34:24   (  70.35, 122.33) 02/20/2023   03:34:32  (  70.36, 122.32)    1.19                 8
 02/20/2023   04:25:06   ( -70.25, -70.20) 02/20/2023   04:23:59  ( -70.22, -70.23)    3.30                67