Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 7 20.  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)
 07/21/2020   19:12:52   (  68.32,-109.58) 07/21/2020   19:13:16  (  68.34,-109.53)    3.17                24
 07/21/2020   20:03:32   ( -68.19,  57.90) 07/21/2020   20:02:46  ( -68.18,  57.91)    1.45                46
 07/24/2020   10:39:05   ( -68.52,-161.38) 07/24/2020   10:40:17  ( -68.48,-161.13)   11.32                72
 07/24/2020   11:29:47   (  68.28,   6.24) 07/24/2020   11:29:46  (  68.25,   6.24)    3.25                 1
 07/24/2020   12:20:28   ( -68.15, 173.72) 07/24/2020   12:19:16  ( -68.15, 173.75)    1.12                72
 07/27/2020   02:55:59   ( -68.37, -45.42) 07/27/2020   02:56:48  ( -68.39, -45.36)    3.02                49
 07/27/2020   03:46:43   (  68.24, 122.05) 07/27/2020   03:46:16  (  68.21, 122.08)    3.22                27
 07/27/2020   04:37:08   ( -67.25, -69.41) 07/27/2020   04:36:00  ( -67.33, -71.30)   81.98                68
 07/29/2020   18:22:28   (  69.22, -98.12) 07/29/2020   18:23:36  (  69.12, -96.20)   76.72                68
 07/29/2020   19:12:54   ( -68.28,  70.47) 07/29/2020   19:13:19  ( -68.30,  70.41)    3.09                25
 07/29/2020   20:03:38   (  68.15,-122.06) 07/29/2020   20:02:46  (  68.18,-122.09)    2.97                52
 08/01/2020   10:39:09   (  68.38,  18.78) 08/01/2020   10:40:18  (  68.41,  18.79)    3.39                69
 08/01/2020   11:29:49   ( -68.24,-173.72) 08/01/2020   11:29:48  ( -68.26,-173.75)    2.82                 1
 08/01/2020   12:20:30   (  67.95,  -6.05) 08/01/2020   12:19:17  (  68.03,  -6.39)   16.23                73