Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 25.  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)
 12/26/2022   06:07:13   (  70.27,  84.42) 12/26/2022   06:07:43  (  70.29,  84.43)    1.97                30
 12/26/2022   06:57:55   ( -70.18,-108.13) 12/26/2022   06:57:09  ( -70.17,-108.09)    2.07                46
 12/28/2022   19:01:09   (  70.29,-109.11) 12/28/2022   19:01:49  (  70.32,-109.07)    3.13                40
 12/28/2022   19:51:51   ( -70.20,  58.35) 12/28/2022   19:51:15  ( -70.20,  58.40)    2.12                36
 12/31/2022   07:55:05   (  70.32,  57.36) 12/31/2022   07:55:55  (  70.33,  57.40)    2.00                50
 12/31/2022   08:45:47   ( -70.23,-135.18) 12/31/2022   08:45:21  ( -70.21,-135.12)    2.90                26
 01/02/2023   20:49:00   (  70.30,-136.10) 01/02/2023   20:50:01  (  70.33,-136.15)    3.28                61
 01/02/2023   21:39:42   ( -70.21,  31.36) 01/02/2023   21:39:27  ( -70.21,  31.33)    1.25                15
 01/02/2023   22:30:11   (  69.30,-159.99) 01/02/2023   22:29:04  (  69.37,-162.16)   85.49                67
 01/05/2023   09:42:55   (  70.34,  30.35) 01/05/2023   09:44:05  (  70.36,  30.35)    2.04                70
 01/05/2023   10:33:37   ( -70.25,-162.18) 01/05/2023   10:33:31  ( -70.24,-162.17)    0.72                 6
 01/05/2023   11:24:12   (  69.66,   6.00) 01/05/2023   11:23:02  (  69.73,   4.78)   47.81                70
 01/07/2023   22:36:56   (  70.65,-163.63) 01/07/2023   22:38:07  (  70.54,-162.93)   28.83                71
 01/07/2023   23:27:32   ( -70.24,   4.34) 01/07/2023   23:27:36  ( -70.26,   4.31)    2.76                 4
 01/08/2023   00:18:14   (  70.03, 171.98) 01/08/2023   00:17:01  (  70.08, 171.72)   11.41                73