Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 11.  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   ( -70.45,-153.08) 03/12/2023   09:55:39  ( -70.43,-153.07)    2.35                27
 03/12/2023   10:45:56   (  70.34,  14.40) 03/12/2023   10:45:01  (  70.35,  14.48)    3.28                55
 03/14/2023   21:58:38   (  71.30,-155.28) 03/14/2023   21:59:45  (  71.20,-153.02)   81.83                67
 03/14/2023   22:49:05   ( -70.42,  13.49) 03/14/2023   22:49:24  ( -70.40,  13.43)    2.71                19
 03/14/2023   23:39:49   (  70.31,-179.03) 03/14/2023   23:38:46  (  70.32,-179.02)    1.39                63
 03/17/2023   10:52:25   (  70.97,  11.80) 03/17/2023   10:53:35  (  70.83,  12.97)   45.28                70
 03/17/2023   11:42:58   ( -70.40,-179.96) 03/17/2023   11:43:07  ( -70.42,-179.99)    2.62                 9
 03/17/2023   12:33:42   (  70.30, -12.49) 03/17/2023   12:32:30  (  70.28, -12.53)    2.09                72
 03/19/2023   23:46:11   (  70.61, 178.92) 03/19/2023   23:47:22  (  70.57, 179.13)    8.72                71
 03/20/2023   00:36:51   ( -70.40, -13.44) 03/20/2023   00:36:50  ( -70.38, -13.50)    3.30                 1
 03/20/2023   01:27:28   (  69.93, 154.59) 03/20/2023   01:26:17  (  70.02, 153.65)   37.42                71
 03/22/2023   12:40:01   (  70.52, -14.42) 03/22/2023   12:41:03  (  70.52, -14.39)    1.35                62
 03/22/2023   13:30:42   ( -70.37, 153.14) 03/22/2023   13:30:30  ( -70.39, 153.06)    3.43                12
 03/22/2023   14:21:12   (  69.53, -38.29) 03/22/2023   14:20:05  (  69.58, -40.39)   82.13                67
 03/25/2023   01:33:53   (  70.51, 152.13) 03/25/2023   01:34:43  (  70.52, 152.17)    2.41                50
 03/25/2023   02:24:35   ( -70.41, -40.39) 03/25/2023   02:24:10  ( -70.39, -40.38)    2.24                25