Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 14.  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)
 04/14/2020   04:37:14   (  67.89, 109.77) 04/14/2020   04:36:02  (  67.94, 109.29)   21.29                72
 04/16/2020   19:12:48   (  68.35,-109.67) 04/16/2020   19:13:29  (  68.34,-109.63)    2.20                41
 04/16/2020   20:03:29   ( -68.22,  57.82) 04/16/2020   20:02:59  ( -68.23,  57.87)    2.31                30
 04/19/2020   10:39:11   ( -69.11,-162.21) 04/19/2020   10:40:20  ( -68.96,-160.63)   65.33                69
 04/19/2020   11:29:42   (  68.29,   6.18) 04/19/2020   11:29:57  (  68.29,   6.19)    0.37                15
 04/19/2020   12:20:23   ( -68.15, 173.68) 04/19/2020   12:19:28  ( -68.12, 173.63)    3.42                55
 04/22/2020   02:55:52   ( -68.35, -45.42) 04/22/2020   02:56:58  ( -68.35, -45.49)    2.82                66
 04/22/2020   03:46:35   (  68.23, 122.04) 04/22/2020   03:46:24  (  68.23, 122.01)    1.09                11
 04/22/2020   04:37:11   ( -67.81, -70.13) 04/22/2020   04:35:59  ( -67.85, -70.80)   28.62                72
 04/24/2020   19:12:46   ( -68.33,  70.36) 04/24/2020   19:13:24  ( -68.35,  70.40)    1.98                38
 04/24/2020   20:03:29   (  68.17,-122.11) 04/24/2020   20:02:52  (  68.17,-122.17)    2.33                37
 04/27/2020   10:39:06   (  68.80,  18.20) 04/27/2020   10:40:17  (  68.66,  19.04)   37.13                71
 04/27/2020   11:29:40   ( -68.27,-173.79) 04/27/2020   11:29:52  ( -68.29,-173.79)    1.56                12
 04/27/2020   12:20:24   (  68.16,  -6.34) 04/27/2020   12:19:19  (  68.16,  -6.29)    2.05                65