Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 4.  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   21:06:31   ( -71.75,  36.71) 08/05/2023   21:07:38  ( -71.66,  39.22)   88.06                67
 08/05/2023   21:57:00   (  70.87,-154.44) 08/05/2023   21:57:14  (  70.85,-154.41)    2.79                14
 08/05/2023   22:47:42   ( -70.78,  13.03) 08/05/2023   22:46:39  ( -70.76,  13.11)    3.55                63
 08/08/2023   10:00:07   ( -70.92,-155.29) 08/08/2023   10:01:12  ( -70.92,-155.33)    1.36                65
 08/08/2023   10:50:51   (  70.81,  12.19) 08/08/2023   10:50:35  (  70.81,  12.17)    0.75                16
 08/08/2023   11:41:20   ( -70.03,-179.27) 08/08/2023   11:40:12  ( -70.06, 178.73)   76.04                68
 08/10/2023   22:53:59   ( -70.91,  11.24) 08/10/2023   22:54:32  ( -70.90,  11.29)    2.29                33
 08/10/2023   23:44:43   (  70.81, 178.72) 08/10/2023   23:43:55  (  70.79, 178.79)    3.37                48
 08/13/2023   10:57:13   (  71.23,   9.92) 08/13/2023   10:58:24  (  71.11,  10.61)   27.86                71
 08/13/2023   11:47:50   ( -70.87, 177.85) 08/13/2023   11:47:52  ( -70.85, 177.86)    1.70                 2
 08/13/2023   12:38:30   (  70.56, -14.34) 08/13/2023   12:37:17  (  70.64, -14.80)   19.12                73
 08/15/2023   23:50:59   (  70.93, 176.95) 08/15/2023   23:51:46  (  70.93, 176.97)    0.69                47
 08/16/2023   00:41:41   ( -70.83, -15.56) 08/16/2023   00:41:11  ( -70.83, -15.53)    1.32                30