Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 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)
 07/29/2023   08:06:07   ( -70.82,-126.63) 07/29/2023   08:06:35  ( -70.85,-126.67)    2.62                28
 07/29/2023   08:56:51   (  70.72,  40.85) 07/29/2023   08:55:58  (  70.72,  40.82)    1.47                53
 07/31/2023   20:09:19   (  71.04,-127.79) 07/31/2023   20:10:30  (  70.97,-127.49)   13.25                71
 07/31/2023   20:59:58   ( -70.79,  39.95) 07/31/2023   20:59:57  ( -70.79,  39.88)    2.80                 1
 07/31/2023   21:50:36   (  70.37,-152.06) 07/31/2023   21:49:25  (  70.39,-153.04)   36.62                71
 08/03/2023   09:03:09   (  70.91,  38.96) 08/03/2023   09:03:53  (  70.89,  39.01)    3.29                44
 08/03/2023   09:53:50   ( -70.76,-153.47) 08/03/2023   09:53:19  ( -70.75,-153.54)    2.64                31
 08/05/2023   21:06:32   ( -71.76,  36.69) 08/05/2023   21:07:38  ( -71.70,  39.28)   90.78                66
 08/05/2023   21:57:00   (  70.84,-154.39) 08/05/2023   21:57:15  (  70.83,-154.44)    2.35                15
 08/05/2023   22:47:42   ( -70.74,  13.09) 08/05/2023   22:46:40  ( -70.74,  13.09)    0.92                62
 08/08/2023   10:00:08   ( -70.92,-155.30) 08/08/2023   10:01:13  ( -70.91,-155.34)    1.82                65
 08/08/2023   10:50:52   (  70.82,  12.17) 08/08/2023   10:50:36  (  70.79,  12.15)    3.26                16
 08/08/2023   11:41:21   ( -70.04,-179.27) 08/08/2023   11:40:13  ( -70.05, 178.72)   76.11                68
 08/10/2023   22:54:00   ( -70.91,  11.25) 08/10/2023   22:54:33  ( -70.90,  11.29)    1.59                33
 08/10/2023   23:44:43   (  70.76, 178.80) 08/10/2023   23:43:56  (  70.79, 178.78)    3.13                47