Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 7 21.  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   (  68.33,-109.59) 07/21/2020   19:13:16  (  68.33,-109.55)    1.97                24
 07/21/2020   20:03:32   ( -68.15,  57.96) 07/21/2020   20:02:47  ( -68.17,  57.89)    3.06                45
 07/24/2020   10:39:05   ( -68.54,-161.40) 07/24/2020   10:40:17  ( -68.46,-161.15)   13.02                72
 07/24/2020   11:29:46   (  68.24,   6.29) 07/24/2020   11:29:46  (  68.24,   6.23)    2.66                 0
 07/24/2020   12:20:27   ( -68.11, 173.77) 07/24/2020   12:19:16  ( -68.14, 173.74)    3.20                71
 07/27/2020   02:55:59   ( -68.39, -45.44) 07/27/2020   02:56:48  ( -68.38, -45.37)    3.15                49
 07/27/2020   03:46:42   (  68.20, 122.10) 07/27/2020   03:46:16  (  68.20, 122.06)    1.62                26
 07/27/2020   04:37:08   ( -67.26, -69.43) 07/27/2020   04:36:00  ( -67.32, -71.31)   81.36                68
 07/29/2020   18:22:28   (  69.24, -98.14) 07/29/2020   18:23:35  (  69.17, -96.14)   79.58                67
 07/29/2020   19:12:54   ( -68.30,  70.44) 07/29/2020   19:13:19  ( -68.29,  70.40)    2.09                25
 07/29/2020   20:03:38   (  68.17,-122.09) 07/29/2020   20:02:46  (  68.17,-122.10)    0.56                52
 08/01/2020   10:39:09   (  68.41,  18.75) 08/01/2020   10:40:18  (  68.41,  18.79)    1.34                69
 08/01/2020   11:29:50   ( -68.26,-173.75) 08/01/2020   11:29:49  ( -68.26,-173.76)    1.25                 1
 08/01/2020   12:20:31   (  67.98,  -6.08) 08/01/2020   12:19:18  (  68.02,  -6.40)   14.14                73