Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 22.  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)
 01/23/2023   04:50:59   ( -70.35, -76.73) 01/23/2023   04:51:46  ( -70.37, -76.72)    2.34                47
 01/23/2023   05:41:43   (  70.23,  90.75) 01/23/2023   05:41:10  (  70.25,  90.77)    1.99                33
 01/25/2023   17:44:53   ( -70.36,  89.76) 01/25/2023   17:45:46  ( -70.35,  89.73)    1.83                53
 01/25/2023   18:35:37   (  70.25,-102.76) 01/25/2023   18:35:10  (  70.22,-102.79)    3.24                27
 01/28/2023   06:38:47   ( -70.39,-103.76) 01/28/2023   06:39:44  ( -70.40,-103.71)    2.03                57
 01/28/2023   07:29:31   (  70.28,  63.72) 01/28/2023   07:29:08  (  70.27,  63.76)    2.42                23
 01/28/2023   08:19:55   ( -69.24,-127.42) 01/28/2023   08:18:49  ( -69.32,-129.89)   97.27                66
 01/30/2023   19:32:40   ( -70.38,  62.78) 01/30/2023   19:33:42  ( -70.40,  62.78)    2.75                62
 01/30/2023   20:23:24   (  70.27,-129.75) 01/30/2023   20:23:06  (  70.26,-129.76)    1.07                18
 01/30/2023   21:13:51   ( -69.44,  38.82) 01/30/2023   21:12:43  ( -69.49,  36.82)   77.98                68
 02/02/2023   08:26:33   ( -70.43,-130.78) 02/02/2023   08:27:38  ( -70.42,-130.71)    2.71                65
 02/02/2023   09:17:16   (  70.27,  36.78) 02/02/2023   09:17:02  (  70.27,  36.74)    1.34                14
 02/02/2023   10:07:47   ( -69.59,-154.89) 02/02/2023   10:06:38  ( -69.61,-156.52)   63.42                69
 02/04/2023   21:20:25   ( -70.38,  35.82) 02/04/2023   21:21:35  ( -70.39,  35.74)    2.93                70
 02/04/2023   22:11:09   (  70.28,-156.71) 02/04/2023   22:10:58  (  70.29,-156.74)    1.34                11