Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 8 19.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2020   02:56:11   (  68.32, 134.62) 08/20/2020   02:56:47  (  68.34, 134.59)    2.69                36
 08/20/2020   03:46:53   ( -68.24, -57.96) 08/20/2020   03:46:17  ( -68.23, -57.91)    2.16                36
 08/22/2020   18:22:32   ( -68.91,  82.30) 08/22/2020   18:23:43  ( -68.79,  83.38)   45.02                71
 08/22/2020   19:13:07   (  68.30,-109.59) 08/22/2020   19:13:17  (  68.30,-109.59)    0.81                10
 08/22/2020   20:03:48   ( -68.16,  57.91) 08/22/2020   20:02:47  ( -68.19,  57.91)    2.62                61
 08/25/2020   10:39:18   ( -68.41,-161.26) 08/25/2020   10:40:18  ( -68.41,-161.22)    1.96                60
 08/25/2020   11:30:01   (  68.23,   6.27) 08/25/2020   11:29:46  (  68.24,   6.23)    2.20                15
 08/25/2020   12:20:34   ( -67.66, 174.31) 08/25/2020   12:19:23  ( -67.75, 173.28)   44.37                71
 08/28/2020   02:56:13   ( -68.33, -45.40) 08/28/2020   02:56:48  ( -68.36, -45.40)    2.80                35
 08/28/2020   03:46:57   (  68.21, 122.06) 08/28/2020   03:46:15  (  68.24, 122.11)    3.36                42
 08/30/2020   18:22:33   (  68.73, -97.47) 08/30/2020   18:23:44  (  68.62, -96.83)   28.83                71
 08/30/2020   19:13:09   ( -68.31,  70.40) 08/30/2020   19:13:18  ( -68.30,  70.41)    1.75                 9
 08/30/2020   20:03:53   (  68.20,-122.15) 08/30/2020   20:02:45  (  68.18,-122.09)    3.51                68