Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 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)
 03/07/2023   08:07:25   ( -70.47,-126.16) 03/07/2023   08:08:07  ( -70.45,-126.11)    2.84                42
 03/07/2023   08:58:08   (  70.30,  41.42) 03/07/2023   08:57:30  (  70.32,  41.37)    2.61                38
 03/09/2023   21:01:19   ( -70.45,  40.39) 03/09/2023   21:01:54  ( -70.44,  40.41)    1.76                35
 03/09/2023   21:52:02   (  70.29,-152.05) 03/09/2023   21:51:17  (  70.31,-152.12)    3.25                45
 03/12/2023   09:55:11   ( -70.40,-153.01) 03/12/2023   09:55:39  ( -70.42,-153.08)    3.54                28
 03/12/2023   10:45:56   (  70.35,  14.39) 03/12/2023   10:45:01  (  70.34,  14.46)    2.94                55
 03/14/2023   21:58:38   (  71.30,-155.29) 03/14/2023   21:59:45  (  71.19,-153.03)   81.68                67
 03/14/2023   22:49:05   ( -70.42,  13.49) 03/14/2023   22:49:24  ( -70.39,  13.42)    3.56                19
 03/14/2023   23:39:49   (  70.31,-179.04) 03/14/2023   23:38:46  (  70.31,-179.04)    0.49                63
 03/17/2023   10:52:25   (  70.97,  11.80) 03/17/2023   10:53:35  (  70.82,  12.95)   44.92                70
 03/17/2023   11:42:58   ( -70.39,-179.95) 03/17/2023   11:43:07  ( -70.41, 179.99)    2.93                 9
 03/17/2023   12:33:42   (  70.29, -12.48) 03/17/2023   12:32:30  (  70.27, -12.55)    3.51                72
 03/19/2023   23:46:11   (  70.60, 178.93) 03/19/2023   23:47:22  (  70.56, 179.11)    7.74                71
 03/20/2023   00:36:52   ( -70.44, -13.50) 03/20/2023   00:36:49  ( -70.43, -13.44)    2.90                 3
 03/20/2023   01:27:28   (  69.92, 154.61) 03/20/2023   01:26:17  (  70.00, 153.63)   38.64                71