Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 18.  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)
 03/19/2023   23:46:12   (  70.64, 178.86) 03/19/2023   23:47:23  (  70.58, 179.13)   12.31                71
 03/20/2023   00:36:52   ( -70.45, -13.51) 03/20/2023   00:36:50  ( -70.43, -13.43)    3.26                 2
 03/20/2023   01:27:29   (  69.97, 154.54) 03/20/2023   01:26:18  (  70.03, 153.65)   34.51                71
 03/22/2023   12:40:03   (  70.54, -14.46) 03/22/2023   12:41:06  (  70.54, -14.38)    3.04                63
 03/22/2023   13:30:44   ( -70.40, 153.09) 03/22/2023   13:30:33  ( -70.40, 153.06)    1.12                11
 03/22/2023   14:21:14   (  69.60, -38.39) 03/22/2023   14:20:06  (  69.66, -40.31)   74.39                68
 03/25/2023   01:33:54   (  70.50, 152.13) 03/25/2023   01:34:47  (  70.52, 152.15)    2.24                53
 03/25/2023   02:24:36   ( -70.41, -40.40) 03/25/2023   02:24:14  ( -70.38, -40.41)    3.31                22
 03/27/2023   14:27:46   (  70.48, -41.30) 03/27/2023   14:28:29  (  70.47, -41.38)    3.19                43
 03/27/2023   15:18:28   ( -70.38, 126.17) 03/27/2023   15:17:55  ( -70.37, 126.14)    1.29                33
 03/30/2023   03:21:38   (  70.46, 125.25) 03/30/2023   03:22:09  (  70.48, 125.20)    2.53                31
 03/30/2023   04:12:20   ( -70.36, -67.28) 03/30/2023   04:11:35  ( -70.39, -67.29)    2.77                45