Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 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)
 01/28/2023   06:38:46   ( -70.38,-103.74) 01/28/2023   06:39:44  ( -70.38,-103.74)    0.48                58
 01/28/2023   07:29:30   (  70.26,  63.75) 01/28/2023   07:29:08  (  70.25,  63.73)    1.01                22
 01/28/2023   08:19:55   ( -69.28,-127.48) 01/28/2023   08:18:48  ( -69.36,-129.84)   93.23                67
 01/30/2023   19:32:40   ( -70.41,  62.72) 01/30/2023   19:33:42  ( -70.41,  62.78)    2.27                62
 01/30/2023   20:23:23   (  70.25,-129.71) 01/30/2023   20:23:06  (  70.27,-129.75)    3.15                17
 01/30/2023   21:13:52   ( -69.47,  38.76) 01/30/2023   21:12:44  ( -69.49,  36.83)   75.61                68
 02/02/2023   08:26:33   ( -70.41,-130.74) 02/02/2023   08:27:40  ( -70.40,-130.74)    0.78                67
 02/02/2023   09:17:17   (  70.30,  36.73) 02/02/2023   09:17:03  (  70.31,  36.79)    2.80                14
 02/02/2023   10:07:48   ( -69.63,-154.93) 02/02/2023   10:06:38  ( -69.71,-156.40)   57.47                70
 02/04/2023   21:20:26   ( -70.41,  35.77) 02/04/2023   21:21:37  ( -70.41,  35.76)    0.29                71
 02/04/2023   22:11:10   (  70.31,-156.75) 02/04/2023   22:11:00  (  70.32,-156.71)    2.10                10
 02/04/2023   23:01:44   ( -69.79,  11.35) 02/04/2023   23:00:33  ( -69.83,  10.25)   42.40                71
 02/07/2023   10:14:21   ( -70.53,-157.89) 02/07/2023   10:15:32  ( -70.50,-157.62)   10.79                71
 02/07/2023   11:05:03   (  70.32,   9.74) 02/07/2023   11:04:56  (  70.34,   9.82)    3.37                 7
 02/07/2023   11:55:39   ( -69.91, 177.70) 02/07/2023   11:54:27  ( -69.97, 176.94)   29.70                72