Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 30.  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)
 06/01/2023   07:53:53   ( -70.65,-123.23) 06/01/2023   07:54:15  ( -70.64,-123.26)    1.62                22
 06/01/2023   08:44:37   (  70.53,  44.27) 06/01/2023   08:43:38  (  70.53,  44.24)    1.29                59
 06/03/2023   19:57:05   (  70.71,-124.13) 06/03/2023   19:58:13  (  70.71,-124.19)    2.05                68
 06/03/2023   20:47:47   ( -70.62,  43.33) 06/03/2023   20:47:38  ( -70.63,  43.35)    1.41                 9
 06/03/2023   21:38:20   (  69.93,-148.28) 06/03/2023   21:37:11  (  69.96,-149.95)   63.83                69
 06/06/2023   08:51:00   (  70.69,  42.41) 06/06/2023   08:51:37  (  70.67,  42.39)    2.40                37
 06/06/2023   09:41:42   ( -70.60,-150.12) 06/06/2023   09:41:02  ( -70.61,-150.06)    2.10                40
 06/08/2023   20:54:21   ( -71.31,  40.59) 06/08/2023   20:55:30  ( -71.19,  42.14)   57.05                69
 06/08/2023   21:44:55   (  70.68,-151.05) 06/08/2023   21:45:00  (  70.67,-150.99)    2.47                 5
 06/08/2023   22:35:36   ( -70.53,  16.51) 06/08/2023   22:34:26  ( -70.56,  16.49)    2.82                70
 06/11/2023   09:48:05   ( -70.73,-151.91) 06/11/2023   09:49:01  ( -70.74,-151.92)    1.54                56
 06/11/2023   10:38:49   (  70.62,  15.56) 06/11/2023   10:38:24  (  70.60,  15.53)    3.02                25