Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 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)
 04/19/2020   10:39:10   ( -69.09,-162.19) 04/19/2020   10:40:19  ( -68.97,-160.60)   64.20                69
 04/19/2020   11:29:42   (  68.32,   6.15) 04/19/2020   11:29:56  (  68.31,   6.22)    3.12                14
 04/19/2020   12:20:22   ( -68.13, 173.71) 04/19/2020   12:19:27  ( -68.14, 173.65)    2.67                55
 04/22/2020   02:55:52   ( -68.38, -45.47) 04/22/2020   02:56:57  ( -68.35, -45.48)    2.61                65
 04/22/2020   03:46:36   (  68.25, 122.00) 04/22/2020   03:46:24  (  68.24, 122.03)    1.97                12
 04/22/2020   04:37:11   ( -67.79, -70.10) 04/22/2020   04:35:59  ( -67.85, -70.79)   29.87                72
 04/24/2020   19:12:46   ( -68.31,  70.39) 04/24/2020   19:13:24  ( -68.34,  70.39)    3.05                38
 04/24/2020   20:03:30   (  68.19,-122.15) 04/24/2020   20:02:52  (  68.16,-122.17)    3.20                38
 04/27/2020   10:39:06   (  68.77,  18.24) 04/27/2020   10:40:17  (  68.64,  19.02)   34.65                71
 04/27/2020   11:29:40   ( -68.25,-173.75) 04/27/2020   11:29:52  ( -68.26,-173.81)    2.73                12
 04/27/2020   12:20:24   (  68.13,  -6.30) 04/27/2020   12:19:19  (  68.14,  -6.31)    0.84                65
 04/30/2020   02:55:52   (  68.34, 134.58) 04/30/2020   02:56:48  (  68.33, 134.53)    2.61                56
 04/30/2020   03:46:34   ( -68.24, -57.97) 04/30/2020   03:46:18  ( -68.23, -57.96)    1.42                16
 04/30/2020   04:37:05   (  67.42, 110.34) 04/30/2020   04:35:56  (  67.49, 108.83)   64.77                69