Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 12.  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)
 03/12/2023   09:55:12   ( -70.43,-153.06) 03/12/2023   09:55:39  ( -70.45,-153.04)    1.87                27
 03/12/2023   10:45:56   (  70.32,  14.43) 03/12/2023   10:45:02  (  70.32,  14.43)    0.24                54
 03/14/2023   21:58:39   (  71.33,-155.34) 03/14/2023   21:59:45  (  71.23,-152.97)   85.21                66
 03/14/2023   22:49:06   ( -70.45,  13.44) 03/14/2023   22:49:24  ( -70.43,  13.47)    2.20                18
 03/14/2023   23:39:49   (  70.29,-179.00) 03/14/2023   23:38:47  (  70.30,-179.06)    2.63                62
 03/17/2023   10:52:25   (  71.00,  11.75) 03/17/2023   10:53:34  (  70.88,  13.04)   48.42                69
 03/17/2023   11:42:58   ( -70.43, 179.99) 03/17/2023   11:43:07  ( -70.42, 179.99)    1.45                 9
 03/17/2023   12:33:42   (  70.32, -12.53) 03/17/2023   12:32:29  (  70.33, -12.46)    2.75                73
 03/19/2023   23:46:11   (  70.63, 178.88) 03/19/2023   23:47:22  (  70.59, 179.15)   10.64                71
 03/20/2023   00:36:51   ( -70.42, -13.48) 03/20/2023   00:36:50  ( -70.40, -13.48)    2.85                 1
 03/20/2023   01:27:28   (  69.95, 154.56) 03/20/2023   01:26:17  (  70.04, 153.67)   35.46                71
 03/22/2023   12:40:02   (  70.54, -14.45) 03/22/2023   12:41:05  (  70.52, -14.40)    2.42                63
 03/22/2023   13:30:43   ( -70.38, 153.11) 03/22/2023   13:30:32  ( -70.38, 153.04)    2.63                11
 03/22/2023   14:21:14   (  69.59, -38.38) 03/22/2023   14:20:06  (  69.63, -40.34)   75.75                68
 03/25/2023   01:33:54   (  70.51, 152.12) 03/25/2023   01:34:46  (  70.50, 152.13)    1.20                52
 03/25/2023   02:24:36   ( -70.41, -40.40) 03/25/2023   02:24:12  ( -70.42, -40.35)    2.30                24