Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 14.  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)
 03/14/2023   21:58:38   (  71.31,-155.30) 03/14/2023   21:59:45  (  71.19,-153.03)   82.24                67
 03/14/2023   22:49:05   ( -70.43,  13.47) 03/14/2023   22:49:23  ( -70.45,  13.49)    1.96                18
 03/14/2023   23:39:49   (  70.32,-179.05) 03/14/2023   23:38:46  (  70.31,-179.04)    0.65                63
 03/17/2023   10:52:25   (  70.97,  11.79) 03/17/2023   10:53:35  (  70.85,  12.98)   45.67                70
 03/17/2023   11:42:58   ( -70.41,-179.97) 03/17/2023   11:43:07  ( -70.43,-179.99)    2.51                 9
 03/17/2023   12:33:42   (  70.30, -12.49) 03/17/2023   12:32:30  (  70.30, -12.52)    0.96                72
 03/19/2023   23:46:11   (  70.60, 178.92) 03/19/2023   23:47:23  (  70.56, 179.10)    8.12                72
 03/20/2023   00:36:51   ( -70.40, -13.44) 03/20/2023   00:36:50  ( -70.42, -13.46)    2.00                 1
 03/20/2023   01:27:29   (  69.98, 154.52) 03/20/2023   01:26:18  (  70.00, 153.62)   34.48                71
 03/22/2023   12:40:02   (  70.51, -14.40) 03/22/2023   12:41:06  (  70.49, -14.44)    2.26                64
 03/22/2023   13:30:44   ( -70.41, 153.08) 03/22/2023   13:30:32  ( -70.41, 153.08)    0.18                12
 03/22/2023   14:21:14   (  69.56, -38.34) 03/22/2023   14:20:06  (  69.66, -40.30)   76.68                68
 03/25/2023   01:33:54   (  70.48, 152.18) 03/25/2023   01:34:47  (  70.48, 152.10)    2.93                53
 03/25/2023   02:24:35   ( -70.38, -40.35) 03/25/2023   02:24:12  ( -70.40, -40.38)    2.82                23
 03/27/2023   14:27:45   (  70.46, -41.27) 03/27/2023   14:28:26  (  70.48, -41.34)    3.49                41
 03/27/2023   15:18:28   ( -70.41, 126.12) 03/27/2023   15:17:52  ( -70.39, 126.18)    2.75                36