Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 7.  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)
 06/08/2023   20:54:20   ( -71.25,  40.69) 06/08/2023   20:55:30  ( -71.16,  42.09)   51.18                70
 06/08/2023   21:44:55   (  70.66,-151.02) 06/08/2023   21:45:00  (  70.65,-151.01)    1.09                 5
 06/08/2023   22:35:36   ( -70.52,  16.52) 06/08/2023   22:34:26  ( -70.53,  16.45)    2.69                70
 06/11/2023   09:48:05   ( -70.72,-151.90) 06/11/2023   09:49:00  ( -70.74,-151.92)    2.14                55
 06/11/2023   10:38:49   (  70.61,  15.59) 06/11/2023   10:38:23  (  70.61,  15.55)    1.40                26
 06/13/2023   22:41:58   ( -70.67,  14.70) 06/13/2023   22:42:22  ( -70.68,  14.62)    2.90                24
 06/13/2023   23:32:43   (  70.61,-177.90) 06/13/2023   23:31:44  (  70.59,-177.84)    3.30                59
 06/16/2023   10:45:11   (  70.78,  13.73) 06/16/2023   10:46:18  (  70.75,  13.72)    3.00                67
 06/16/2023   11:35:52   ( -70.62,-178.71) 06/16/2023   11:35:44  ( -70.64,-178.79)    3.66                 8
 06/16/2023   12:26:25   (  69.94, -10.33) 06/16/2023   12:25:16  (  70.00, -12.05)   65.88                69
 06/18/2023   23:39:05   (  70.74,-179.70) 06/18/2023   23:39:39  (  70.74,-179.66)    1.34                34
 06/19/2023   00:29:47   ( -70.64, -12.21) 06/19/2023   00:29:05  ( -70.64, -12.16)    1.98                42