Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 16.  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)
 08/18/2023   11:54:22   ( -71.83, 174.59) 08/18/2023   11:55:28  ( -71.77, 177.29)   94.03                66
 08/18/2023   12:44:50   (  70.90, -16.45) 08/18/2023   12:45:05  (  70.92, -16.41)    3.19                15
 08/18/2023   13:35:32   ( -70.81, 151.01) 08/18/2023   13:34:30  ( -70.81, 151.08)    2.51                62
 08/21/2023   00:47:57   ( -70.98, -17.36) 08/21/2023   00:49:01  ( -70.95, -17.37)    2.55                64
 08/21/2023   01:38:41   (  70.87, 150.12) 08/21/2023   01:38:24  (  70.86, 150.16)    1.35                17
 08/21/2023   02:29:09   ( -70.05, -41.25) 08/21/2023   02:28:01  ( -70.09, -43.31)   78.44                68
 08/23/2023   13:41:48   ( -70.95, 149.21) 08/23/2023   13:42:19  ( -70.93, 149.24)    3.31                31
 08/23/2023   14:32:32   (  70.85, -43.31) 08/23/2023   14:31:42  (  70.83, -43.24)    3.04                50
 08/26/2023   01:44:58   (  71.14, 148.11) 08/26/2023   01:46:09  (  71.09, 148.49)   14.57                71
 08/26/2023   02:35:37   ( -70.89, -44.14) 08/26/2023   02:35:36  ( -70.87, -44.19)    2.15                 1
 08/26/2023   03:26:15   (  70.47, 123.84) 08/26/2023   03:25:04  (  70.50, 122.92)   34.49                71
 08/28/2023   14:38:46   (  70.97, -45.07) 08/28/2023   14:39:28  (  70.96, -45.06)    1.91                42
 08/28/2023   15:29:28   ( -70.88, 122.40) 08/28/2023   15:28:53  ( -70.85, 122.43)    3.31                35