Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 3.  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)
 06/03/2023   19:57:06   (  70.73,-124.17) 06/03/2023   19:58:13  (  70.73,-124.16)    0.68                67
 06/03/2023   20:47:47   ( -70.60,  43.37) 06/03/2023   20:47:39  ( -70.59,  43.29)    2.89                 8
 06/03/2023   21:38:20   (  69.90,-148.23) 06/03/2023   21:37:11  (  69.98,-149.92)   65.02                69
 06/06/2023   08:51:00   (  70.67,  42.46) 06/06/2023   08:51:37  (  70.68,  42.40)    2.75                37
 06/06/2023   09:41:42   ( -70.58,-150.08) 06/06/2023   09:41:02  ( -70.61,-150.06)    3.18                40
 06/08/2023   20:54:21   ( -71.29,  40.62) 06/08/2023   20:55:30  ( -71.17,  42.11)   54.93                69
 06/08/2023   21:44:55   (  70.66,-151.01) 06/08/2023   21:45:00  (  70.66,-151.00)    0.38                 5
 06/08/2023   22:35:37   ( -70.56,  16.46) 06/08/2023   22:34:26  ( -70.54,  16.47)    2.96                71
 06/11/2023   09:48:05   ( -70.76,-151.97) 06/11/2023   09:48:59  ( -70.75,-151.90)    2.75                54
 06/11/2023   10:38:48   (  70.60,  15.60) 06/11/2023   10:38:22  (  70.61,  15.56)    2.11                26
 06/13/2023   22:41:59   ( -70.71,  14.64) 06/13/2023   22:42:22  ( -70.69,  14.64)    2.19                23
 06/13/2023   23:32:43   (  70.60,-177.89) 06/13/2023   23:31:44  (  70.60,-177.83)    2.07                59
 06/16/2023   10:45:11   (  70.76,  13.75) 06/16/2023   10:46:18  (  70.75,  13.72)    1.40                67
 06/16/2023   11:35:53   ( -70.66,-178.77) 06/16/2023   11:35:44  ( -70.65,-178.78)    0.91                 9