Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 10.  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)
 06/11/2023   09:48:05   ( -70.74,-151.94) 06/11/2023   09:49:00  ( -70.71,-151.95)    3.22                55
 06/11/2023   10:38:49   (  70.63,  15.56) 06/11/2023   10:38:22  (  70.64,  15.60)    2.22                27
 06/13/2023   22:41:59   ( -70.69,  14.67) 06/13/2023   22:42:22  ( -70.70,  14.66)    1.64                23
 06/13/2023   23:32:43   (  70.58,-177.84) 06/13/2023   23:31:45  (  70.57,-177.87)    1.58                58
 06/16/2023   10:45:12   (  70.79,  13.70) 06/16/2023   10:46:18  (  70.78,  13.76)    2.40                66
 06/16/2023   11:35:53   ( -70.64,-178.74) 06/16/2023   11:35:44  ( -70.67,-178.75)    2.95                 9
 06/16/2023   12:26:24   (  69.90, -10.27) 06/16/2023   12:25:16  (  69.97, -12.09)   69.77                68
 06/18/2023   23:39:04   (  70.70,-179.63) 06/18/2023   23:39:39  (  70.71,-179.71)    2.99                35
 06/19/2023   00:29:46   ( -70.60, -12.15) 06/19/2023   00:29:05  ( -70.61, -12.21)    2.16                41
 06/21/2023   11:42:22   ( -71.18, 178.77) 06/21/2023   11:43:33  ( -71.04, 179.78)   39.60                71
 06/21/2023   12:32:58   (  70.67, -13.06) 06/21/2023   12:33:00  (  70.67, -13.12)    2.39                 2
 06/21/2023   13:23:39   ( -70.51, 154.51) 06/21/2023   13:22:27  ( -70.52, 154.30)    7.63                72
 06/24/2023   00:36:09   ( -70.79, -14.05) 06/24/2023   00:36:58  ( -70.77, -14.00)    3.24                49
 06/24/2023   01:26:52   (  70.64, 153.50) 06/24/2023   01:26:20  (  70.66, 153.50)    1.88                32