Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 29.  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)
 05/29/2023   18:59:58   ( -70.71,  70.15) 05/29/2023   19:00:49  ( -70.71,  70.21)    2.30                51
 05/29/2023   19:50:42   (  70.59,-122.34) 05/29/2023   19:50:12  (  70.60,-122.28)    2.51                30
 06/01/2023   07:53:53   ( -70.68,-123.28) 06/01/2023   07:54:14  ( -70.66,-123.23)    2.87                21
 06/01/2023   08:44:37   (  70.56,  44.22) 06/01/2023   08:43:37  (  70.55,  44.26)    2.29                60
 06/03/2023   19:57:06   (  70.75,-124.19) 06/03/2023   19:58:13  (  70.73,-124.16)    2.41                67
 06/03/2023   20:47:47   ( -70.60,  43.36) 06/03/2023   20:47:39  ( -70.60,  43.30)    2.50                 8
 06/03/2023   21:38:20   (  69.91,-148.25) 06/03/2023   21:37:11  (  69.98,-149.92)   64.34                69
 06/06/2023   08:51:00   (  70.68,  42.44) 06/06/2023   08:51:37  (  70.69,  42.40)    1.57                37
 06/06/2023   09:41:42   ( -70.59,-150.09) 06/06/2023   09:41:03  ( -70.56,-150.12)    2.56                39
 06/08/2023   20:54:21   ( -71.29,  40.61) 06/08/2023   20:55:30  ( -71.20,  42.15)   56.12                69
 06/08/2023   21:44:55   (  70.67,-151.03) 06/08/2023   21:45:00  (  70.68,-150.98)    2.23                 5
 06/08/2023   22:35:37   ( -70.57,  16.45) 06/08/2023   22:34:26  ( -70.56,  16.50)    2.25                71
 06/11/2023   09:48:05   ( -70.72,-151.90) 06/11/2023   09:49:01  ( -70.74,-151.92)    2.79                56
 06/11/2023   10:38:48   (  70.61,  15.58) 06/11/2023   10:38:23  (  70.60,  15.53)    2.64                25