Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 9.  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)
 03/09/2023   21:01:18   ( -70.43,  40.43) 03/09/2023   21:01:53  ( -70.46,  40.43)    3.13                35
 03/09/2023   21:52:02   (  70.32,-152.08) 03/09/2023   21:51:16  (  70.33,-152.09)    0.98                46
 03/12/2023   09:55:12   ( -70.44,-153.07) 03/12/2023   09:55:38  ( -70.45,-153.04)    1.23                26
 03/12/2023   10:45:56   (  70.33,  14.41) 03/12/2023   10:45:01  (  70.31,  14.43)    2.60                55
 03/14/2023   21:58:37   (  71.25,-155.21) 03/14/2023   21:59:44  (  71.14,-153.09)   76.88                67
 03/14/2023   22:49:05   ( -70.42,  13.48) 03/14/2023   22:49:22  ( -70.41,  13.45)    2.42                17
 03/14/2023   23:39:49   (  70.32,-179.04) 03/14/2023   23:38:44  (  70.32,-179.01)    1.15                65
 03/17/2023   10:52:21   (  70.84,  12.01) 03/17/2023   10:53:32  (  70.74,  12.85)   32.50                71
 03/17/2023   11:42:57   ( -70.43, 180.00) 03/17/2023   11:43:02  ( -70.44,-179.95)    2.66                 5
 03/17/2023   12:33:39   (  70.22, -12.37) 03/17/2023   12:32:26  (  70.24, -12.57)    8.05                73
 03/19/2023   23:46:07   (  70.50, 179.09) 03/19/2023   23:47:16  (  70.53, 179.09)    3.16                69
 03/20/2023   00:36:49   ( -70.40, -13.43) 03/20/2023   00:36:43  ( -70.40, -13.46)    1.12                 6
 03/20/2023   01:27:23   (  69.77, 154.84) 03/20/2023   01:26:13  (  69.86, 153.46)   53.79                70
 03/22/2023   12:39:59   (  70.50, -14.38) 03/22/2023   12:40:55  (  70.51, -14.37)    0.84                56
 03/22/2023   13:30:41   ( -70.40, 153.10) 03/22/2023   13:30:22  ( -70.37, 153.07)    3.12                19