Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 26.  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   06:07:14   (  70.28,  84.39) 12/26/2022   06:07:44  (  70.27,  84.40)    1.59                30
 12/26/2022   06:57:55   ( -70.14,-108.07) 12/26/2022   06:57:10  ( -70.15,-108.12)    1.82                45
 12/28/2022   19:01:09   (  70.31,-109.13) 12/28/2022   19:01:49  (  70.31,-109.09)    1.40                40
 12/28/2022   19:51:50   ( -70.16,  58.41) 12/28/2022   19:51:15  ( -70.18,  58.38)    2.31                35
 12/31/2022   07:55:05   (  70.33,  57.34) 12/31/2022   07:55:55  (  70.33,  57.39)    2.19                50
 12/31/2022   08:45:46   ( -70.19,-135.12) 12/31/2022   08:45:21  ( -70.21,-135.13)    1.72                25
 01/02/2023   20:49:00   (  70.31,-136.12) 01/02/2023   20:50:01  (  70.33,-136.15)    2.17                61
 01/02/2023   21:39:42   ( -70.22,  31.34) 01/02/2023   21:39:27  ( -70.21,  31.33)    1.17                15
 01/02/2023   22:30:11   (  69.31,-160.01) 01/02/2023   22:29:04  (  69.37,-162.16)   84.74                67
 01/05/2023   09:42:56   (  70.35,  30.33) 01/05/2023   09:44:06  (  70.38,  30.37)    3.07                70
 01/05/2023   10:33:38   ( -70.25,-162.20) 01/05/2023   10:33:32  ( -70.26,-162.15)    1.74                 6
 01/05/2023   11:24:13   (  69.67,   5.99) 01/05/2023   11:23:03  (  69.75,   4.80)   46.87                70
 01/07/2023   22:36:57   (  70.66,-163.64) 01/07/2023   22:38:08  (  70.57,-162.89)   29.29                71
 01/07/2023   23:27:33   ( -70.24,   4.34) 01/07/2023   23:27:38  ( -70.23,   4.27)    2.75                 5
 01/08/2023   00:18:15   (  70.03, 171.97) 01/08/2023   00:17:03  (  70.05, 171.68)   11.42                72