Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 25.  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)
 08/26/2023   01:45:16   (  70.95, 148.34) 08/26/2023   01:46:12  (  70.95, 148.28)    2.56                56
 08/26/2023   02:35:58   ( -70.86, -44.20) 08/26/2023   02:35:36  ( -70.89, -44.17)    2.58                22
 08/28/2023   14:39:12   (  70.90, -45.07) 08/28/2023   14:39:29  (  70.93, -45.11)    2.82                17
 08/28/2023   15:29:54   ( -70.82, 122.39) 08/28/2023   15:28:54  ( -70.81, 122.36)    1.64                60
 08/31/2023   02:42:24   ( -70.98, -46.00) 08/31/2023   02:43:23  ( -70.96, -46.06)    3.30                59
 08/31/2023   03:33:08   (  70.87, 121.50) 08/31/2023   03:32:46  (  70.87, 121.46)    1.54                22
 09/02/2023   14:45:54   (  71.93, -48.48) 09/02/2023   14:46:59  (  71.82, -45.68)   97.38                65
 09/02/2023   15:36:19   ( -70.95, 120.56) 09/02/2023   15:36:38  ( -70.94, 120.57)    1.10                19
 09/02/2023   16:27:03   (  70.84, -71.94) 09/02/2023   16:26:01  (  70.85, -71.92)    1.43                62
 09/05/2023   03:39:33   (  71.02, 119.64) 09/05/2023   03:40:29  (  71.01, 119.67)    1.90                56
 09/05/2023   04:30:14   ( -70.88, -72.80) 09/05/2023   04:29:54  ( -70.90, -72.84)    2.96                20
 09/07/2023   15:43:01   ( -71.94, 117.21) 09/07/2023   15:44:07  ( -71.85, 120.02)   97.81                66
 09/07/2023   16:33:28   (  70.95, -73.73) 09/07/2023   16:33:45  (  70.93, -73.78)    3.19                17
 09/07/2023   17:24:10   ( -70.86,  93.75) 09/07/2023   17:23:09  ( -70.88,  93.79)    3.04                61