Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 24.  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)
 01/25/2023   17:44:53   ( -70.35,  89.79) 01/25/2023   17:45:46  ( -70.37,  89.77)    3.11                53
 01/25/2023   18:35:37   (  70.23,-102.73) 01/25/2023   18:35:10  (  70.25,-102.75)    2.38                27
 01/28/2023   06:38:46   ( -70.38,-103.74) 01/28/2023   06:39:44  ( -70.38,-103.75)    0.24                58
 01/28/2023   07:29:30   (  70.26,  63.74) 01/28/2023   07:29:08  (  70.25,  63.73)    1.96                22
 01/28/2023   08:19:55   ( -69.28,-127.48) 01/28/2023   08:18:48  ( -69.35,-129.84)   93.33                67
 01/30/2023   19:32:40   ( -70.42,  62.72) 01/30/2023   19:33:42  ( -70.40,  62.77)    3.05                62
 01/30/2023   20:23:23   (  70.26,-129.72) 01/30/2023   20:23:06  (  70.26,-129.77)    1.90                17
 01/30/2023   21:13:52   ( -69.48,  38.76) 01/30/2023   21:12:43  ( -69.54,  36.88)   73.35                69
 02/02/2023   08:26:33   ( -70.42,-130.76) 02/02/2023   08:27:39  ( -70.43,-130.70)    2.52                66
 02/02/2023   09:17:16   (  70.26,  36.80) 02/02/2023   09:17:03  (  70.28,  36.75)    3.20                13
 02/02/2023   10:07:48   ( -69.64,-154.95) 02/02/2023   10:06:38  ( -69.68,-156.44)   57.81                70
 02/04/2023   21:20:26   ( -70.43,  35.75) 02/04/2023   21:21:36  ( -70.42,  35.78)    1.62                70
 02/04/2023   22:11:09   (  70.27,-156.70) 02/04/2023   22:11:00  (  70.27,-156.78)    2.84                 9