Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 8 12.  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   (  68.92, -97.72) 08/14/2020   18:23:40  (  68.82, -96.58)   47.10                70
 08/14/2020   19:13:02   ( -68.31,  70.42) 08/14/2020   19:13:17  ( -68.32,  70.44)    1.47                15
 08/14/2020   20:03:46   (  68.18,-122.11) 08/14/2020   20:02:45  (  68.15,-122.12)    2.55                61
 08/17/2020   10:39:16   (  68.37,  18.79) 08/17/2020   10:40:17  (  68.35,  18.73)    2.94                61
 08/17/2020   11:29:57   ( -68.23,-173.71) 08/17/2020   11:29:47  ( -68.25,-173.77)    3.05                10
 08/17/2020   12:20:32   (  67.62,  -5.64) 08/17/2020   12:19:22  (  67.69,  -6.78)   48.56                70
 08/20/2020   02:56:11   (  68.35, 134.58) 08/20/2020   02:56:45  (  68.33, 134.58)    2.13                34
 08/20/2020   03:46:52   ( -68.21, -57.92) 08/20/2020   03:46:15  ( -68.23, -57.91)    2.27                37
 08/22/2020   18:22:31   ( -68.88,  82.34) 08/22/2020   18:23:41  ( -68.75,  83.34)   42.35                70
 08/22/2020   19:13:06   (  68.28,-109.56) 08/22/2020   19:13:14  (  68.30,-109.57)    2.47                 8
 08/22/2020   20:03:48   ( -68.19,  57.88) 08/22/2020   20:02:44  ( -68.20,  57.94)    3.15                64
 08/25/2020   10:39:18   ( -68.38,-161.23) 08/25/2020   10:40:16  ( -68.39,-161.23)    1.16                58
 08/25/2020   11:30:02   (  68.27,   6.22) 08/25/2020   11:29:43  (  68.27,   6.27)    2.02                19
 08/25/2020   12:20:33   ( -67.58, 174.40) 08/25/2020   12:19:23  ( -67.61, 173.14)   53.52                70