Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 31.  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   ( -70.68,-123.28) 06/01/2023   07:54:14  ( -70.66,-123.24)    3.07                21
 06/01/2023   08:44:37   (  70.56,  44.22) 06/01/2023   08:43:37  (  70.55,  44.27)    2.04                60
 06/03/2023   19:57:06   (  70.74,-124.18) 06/03/2023   19:58:13  (  70.73,-124.16)    2.03                67
 06/03/2023   20:47:47   ( -70.60,  43.36) 06/03/2023   20:47:39  ( -70.59,  43.29)    2.90                 8
 06/03/2023   21:38:20   (  69.90,-148.24) 06/03/2023   21:37:11  (  69.98,-149.93)   64.69                69
 06/06/2023   08:51:00   (  70.67,  42.45) 06/06/2023   08:51:37  (  70.68,  42.40)    2.23                37
 06/06/2023   09:41:42   ( -70.58,-150.09) 06/06/2023   09:41:03  ( -70.56,-150.13)    3.07                39
 06/08/2023   20:54:21   ( -71.29,  40.62) 06/08/2023   20:55:30  ( -71.19,  42.14)   55.24                69
 06/08/2023   21:44:55   (  70.66,-151.01) 06/08/2023   21:45:00  (  70.67,-150.99)    1.83                 5
 06/08/2023   22:35:37   ( -70.56,  16.46) 06/08/2023   22:34:26  ( -70.56,  16.49)    1.48                71
 06/11/2023   09:48:06   ( -70.76,-151.96) 06/11/2023   09:49:01  ( -70.73,-151.94)    3.34                55
 06/11/2023   10:38:49   (  70.65,  15.52) 06/11/2023   10:38:22  (  70.64,  15.60)    3.09                27
 06/13/2023   22:41:59   ( -70.70,  14.65) 06/13/2023   22:42:23  ( -70.68,  14.62)    2.32                24
 06/13/2023   23:32:43   (  70.60,-177.88) 06/13/2023   23:31:45  (  70.59,-177.85)    1.41                58