Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 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)
 08/13/2023   10:57:13   (  71.23,   9.91) 08/13/2023   10:58:24  (  71.12,  10.62)   28.02                71
 08/13/2023   11:47:50   ( -70.88, 177.83) 08/13/2023   11:47:52  ( -70.85, 177.86)    3.18                 2
 08/13/2023   12:38:30   (  70.56, -14.34) 08/13/2023   12:37:18  (  70.59, -14.87)   19.82                72
 08/15/2023   23:50:59   (  70.93, 176.96) 08/15/2023   23:51:47  (  70.90, 176.92)    3.15                48
 08/16/2023   00:41:41   ( -70.84, -15.57) 08/16/2023   00:41:11  ( -70.85, -15.50)    3.10                30
 08/18/2023   11:54:23   ( -71.87, 174.52) 08/18/2023   11:55:29  ( -71.74, 177.24)   95.70                66
 08/18/2023   12:44:50   (  70.89, -16.45) 08/18/2023   12:45:06  (  70.88, -16.47)    1.49                16
 08/18/2023   13:35:32   ( -70.80, 151.03) 08/18/2023   13:34:31  ( -70.78, 151.03)    2.49                61
 08/21/2023   00:47:57   ( -70.96, -17.34) 08/21/2023   00:49:01  ( -70.99, -17.32)    2.71                64
 08/21/2023   01:38:41   (  70.86, 150.14) 08/21/2023   01:38:25  (  70.83, 150.11)    3.14                16
 08/21/2023   02:29:09   ( -70.03, -41.23) 08/21/2023   02:28:01  ( -70.13, -43.27)   78.01                68
 08/23/2023   13:41:47   ( -70.94, 149.24) 08/23/2023   13:42:19  ( -70.92, 149.23)    2.03                32
 08/23/2023   14:32:31   (  70.84, -43.29) 08/23/2023   14:31:42  (  70.82, -43.26)    2.12                49