Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 7 18.  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)
 07/19/2020   02:55:55   (  68.33, 134.63) 07/19/2020   02:56:46  (  68.34, 134.59)    1.93                51
 07/19/2020   03:46:36   ( -68.21, -57.88) 07/19/2020   03:46:16  ( -68.23, -57.90)    2.90                20
 07/19/2020   04:37:05   (  67.26, 110.59) 07/19/2020   04:35:57  (  67.34, 108.71)   80.97                68
 07/21/2020   18:22:26   ( -69.44,  81.58) 07/21/2020   18:23:32  ( -69.36,  84.11)   99.25                66
 07/21/2020   19:12:51   (  68.29,-109.55) 07/21/2020   19:13:16  (  68.30,-109.57)    1.50                25
 07/21/2020   20:03:33   ( -68.22,  57.87) 07/21/2020   20:02:46  ( -68.20,  57.93)    3.53                47
 07/24/2020   10:39:06   ( -68.55,-161.42) 07/24/2020   10:40:17  ( -68.49,-161.12)   14.07                71
 07/24/2020   11:29:47   (  68.26,   6.27) 07/24/2020   11:29:46  (  68.26,   6.25)    0.78                 1
 07/24/2020   12:20:28   ( -68.12, 173.76) 07/24/2020   12:19:17  ( -68.10, 173.70)    3.32                71
 07/27/2020   02:55:59   ( -68.35, -45.39) 07/27/2020   02:56:49  ( -68.33, -45.43)    2.50                50
 07/27/2020   03:46:43   (  68.22, 122.08) 07/27/2020   03:46:16  (  68.21, 122.07)    0.99                27
 07/27/2020   04:37:08   ( -67.22, -69.38) 07/27/2020   04:36:01  ( -67.27, -71.36)   85.70                67
 07/29/2020   18:22:27   (  69.20, -98.09) 07/29/2020   18:23:35  (  69.10, -96.22)   74.60                68
 07/29/2020   19:12:54   ( -68.31,  70.43) 07/29/2020   19:13:17  ( -68.33,  70.46)    3.13                23
 07/29/2020   20:03:38   (  68.18,-122.10) 07/29/2020   20:02:45  (  68.16,-122.11)    3.02                53