Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 8 11.  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)
 08/12/2020   02:56:06   ( -68.33, -45.38) 08/12/2020   02:56:48  ( -68.33, -45.43)    2.10                42
 08/12/2020   03:46:51   (  68.25, 122.03) 08/12/2020   03:46:15  (  68.23, 122.09)    3.44                36
 08/14/2020   18:22:30   (  68.92, -97.72) 08/14/2020   18:23:40  (  68.82, -96.58)   46.88                70
 08/14/2020   19:13:02   ( -68.30,  70.42) 08/14/2020   19:13:17  ( -68.32,  70.44)    2.15                15
 08/14/2020   20:03:46   (  68.17,-122.10) 08/14/2020   20:02:45  (  68.15,-122.11)    2.02                61
 08/17/2020   10:39:16   (  68.36,  18.79) 08/17/2020   10:40:17  (  68.35,  18.73)    3.04                61
 08/17/2020   11:29:57   ( -68.22,-173.71) 08/17/2020   11:29:47  ( -68.25,-173.77)    3.51                10
 08/17/2020   12:20:32   (  67.61,  -5.64) 08/17/2020   12:19:22  (  67.68,  -6.78)   48.79                70
 08/20/2020   02:56:11   (  68.35, 134.58) 08/20/2020   02:56:45  (  68.33, 134.57)    2.47                34
 08/20/2020   03:46:52   ( -68.20, -57.91) 08/20/2020   03:46:15  ( -68.22, -57.92)    2.16                37
 08/22/2020   18:22:30   ( -68.82,  82.42) 08/22/2020   18:23:41  ( -68.74,  83.32)   37.54                71
 08/22/2020   19:13:06   (  68.28,-109.56) 08/22/2020   19:13:14  (  68.29,-109.58)    1.79                 8
 08/22/2020   20:03:48   ( -68.18,  57.88) 08/22/2020   20:02:44  ( -68.19,  57.93)    2.27                64