Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 8 13.  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)
 08/14/2020   18:22:30   (  68.93, -97.73) 08/14/2020   18:23:40  (  68.82, -96.58)   47.52                70
 08/14/2020   19:13:02   ( -68.31,  70.41) 08/14/2020   19:13:17  ( -68.32,  70.43)    1.23                15
 08/14/2020   20:03:46   (  68.18,-122.12) 08/14/2020   20:02:45  (  68.16,-122.12)    2.95                61
 08/17/2020   10:39:16   (  68.37,  18.78) 08/17/2020   10:40:17  (  68.37,  18.74)    1.72                61
 08/17/2020   11:29:57   ( -68.23,-173.72) 08/17/2020   11:29:47  ( -68.26,-173.75)    3.25                10
 08/17/2020   12:20:32   (  67.62,  -5.65) 08/17/2020   12:19:22  (  67.70,  -6.76)   47.90                70
 08/20/2020   02:56:12   (  68.35, 134.58) 08/20/2020   02:56:46  (  68.36, 134.62)    2.07                34
 08/20/2020   03:46:53   ( -68.21, -57.92) 08/20/2020   03:46:17  ( -68.20, -57.94)    1.12                36
 08/22/2020   18:22:31   ( -68.88,  82.34) 08/22/2020   18:23:42  ( -68.75,  83.33)   42.31                71
 08/22/2020   19:13:06   (  68.28,-109.56) 08/22/2020   19:13:15  (  68.31,-109.58)    2.61                 9
 08/22/2020   20:03:48   ( -68.19,  57.87) 08/22/2020   20:02:45  ( -68.20,  57.94)    3.06                63
 08/25/2020   10:39:18   ( -68.38,-161.23) 08/25/2020   10:40:18  ( -68.37,-161.27)    2.19                60
 08/25/2020   11:30:02   (  68.27,   6.23) 08/25/2020   11:29:45  (  68.25,   6.23)    2.22                17
 08/25/2020   12:20:34   ( -67.63, 174.34) 08/25/2020   12:19:23  ( -67.70, 173.23)   47.29                71