Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 5.  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)
 08/05/2023   21:06:32   ( -71.77,  36.69) 08/05/2023   21:07:38  ( -71.70,  39.28)   90.79                66
 08/05/2023   21:57:00   (  70.83,-154.37) 08/05/2023   21:57:15  (  70.84,-154.43)    2.09                15
 08/05/2023   22:47:42   ( -70.74,  13.09) 08/05/2023   22:46:40  ( -70.74,  13.09)    0.67                62
 08/08/2023   10:00:08   ( -70.93,-155.31) 08/08/2023   10:01:13  ( -70.90,-155.35)    2.78                65
 08/08/2023   10:50:52   (  70.82,  12.17) 08/08/2023   10:50:36  (  70.80,  12.15)    2.63                16
 08/08/2023   11:41:21   ( -70.05,-179.28) 08/08/2023   11:40:12  ( -70.10, 178.79)   73.19                69
 08/10/2023   22:53:58   ( -70.87,  11.31) 08/10/2023   22:54:32  ( -70.89,  11.27)    2.72                34
 08/10/2023   23:44:42   (  70.77, 178.79) 08/10/2023   23:43:55  (  70.79, 178.78)    2.18                47
 08/13/2023   10:57:13   (  71.23,   9.91) 08/13/2023   10:58:24  (  71.11,  10.60)   28.32                71
 08/13/2023   11:47:50   ( -70.87, 177.83) 08/13/2023   11:47:52  ( -70.85, 177.85)    2.73                 2
 08/13/2023   12:38:30   (  70.56, -14.35) 08/13/2023   12:37:17  (  70.64, -14.81)   18.69                73
 08/15/2023   23:50:59   (  70.93, 176.95) 08/15/2023   23:51:46  (  70.93, 176.97)    0.79                47
 08/16/2023   00:41:41   ( -70.83, -15.57) 08/16/2023   00:41:11  ( -70.84, -15.52)    1.57                30
 08/18/2023   11:54:22   ( -71.83, 174.60) 08/18/2023   11:55:28  ( -71.75, 177.27)   92.96                66
 08/18/2023   12:44:50   (  70.90, -16.46) 08/18/2023   12:45:05  (  70.89, -16.45)    1.49                15
 08/18/2023   13:35:32   ( -70.80, 151.02) 08/18/2023   13:34:30  ( -70.79, 151.06)    1.72                62