Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 8.  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)
 07/09/2023   03:27:22   (  71.02, 122.77) 07/09/2023   03:28:33  (  70.93, 123.17)   17.70                71
 07/09/2023   04:18:01   ( -70.76, -69.49) 07/09/2023   04:18:00  ( -70.76, -69.42)    2.49                 1
 07/09/2023   05:08:39   (  70.34,  98.49) 07/09/2023   05:07:27  (  70.39,  97.69)   30.41                72
 07/11/2023   16:21:11   (  70.78, -70.31) 07/11/2023   16:21:52  (  70.79, -70.38)    2.86                41
 07/11/2023   17:11:53   ( -70.68,  97.17) 07/11/2023   17:11:18  ( -70.68,  97.11)    2.23                35
 07/14/2023   04:24:30   ( -71.37, -72.11) 07/14/2023   04:25:39  ( -71.27, -70.64)   53.38                69
 07/14/2023   05:15:04   (  70.76,  96.25) 07/14/2023   05:15:09  (  70.74,  96.20)    3.17                 5
 07/14/2023   06:05:46   ( -70.65, -96.26) 07/14/2023   06:04:35  ( -70.63, -96.31)    3.06                71
 07/16/2023   17:18:13   ( -70.84,  95.34) 07/16/2023   17:19:03  ( -70.82,  95.31)    2.56                50
 07/16/2023   18:08:57   (  70.74, -97.20) 07/16/2023   18:08:25  (  70.71, -97.18)    3.32                32
 07/19/2023   05:21:34   (  71.51,  93.39) 07/19/2023   05:22:42  (  71.42,  95.26)   66.86                68
 07/19/2023   06:12:04   ( -70.77, -98.03) 07/19/2023   06:12:18  ( -70.77, -98.10)    2.39                14
 07/19/2023   07:02:48   (  70.68,  69.43) 07/19/2023   07:01:40  (  70.67,  69.41)    1.74                68
 07/21/2023   18:15:15   (  70.88, -99.00) 07/21/2023   18:16:07  (  70.86, -98.95)    3.06                52
 07/21/2023   19:05:57   ( -70.77,  68.50) 07/21/2023   19:05:33  ( -70.75,  68.54)    2.38                24