Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 1.  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)
 04/03/2020   11:29:41   (  68.28,   6.20) 04/03/2020   11:30:08  (  68.29,   6.14)    2.84                27
 04/03/2020   12:20:23   ( -68.20, 173.62) 04/03/2020   12:19:38  ( -68.19, 173.65)    2.06                45
 04/06/2020   02:55:55   ( -68.54, -45.68) 04/06/2020   02:57:07  ( -68.49, -45.38)   13.93                72
 04/06/2020   03:46:36   (  68.26, 122.00) 04/06/2020   03:46:36  (  68.26, 121.99)    0.48                 0
 04/06/2020   04:37:17   ( -68.12, -70.51) 04/06/2020   04:36:07  ( -68.10, -70.56)    3.03                70
 04/08/2020   19:12:46   ( -68.36,  70.33) 04/08/2020   19:13:36  ( -68.35,  70.34)    1.75                50
 04/08/2020   20:03:30   (  68.24,-122.20) 04/08/2020   20:03:03  (  68.22,-122.16)    2.29                27
 04/08/2020   20:53:56   ( -67.29,  46.28) 04/08/2020   20:52:47  ( -67.34,  44.46)   78.13                69
 04/11/2020   10:39:14   (  69.23,  17.60) 04/11/2020   10:40:21  (  69.13,  19.57)   78.74                67
 04/11/2020   11:29:40   ( -68.29,-173.81) 04/11/2020   11:30:04  ( -68.31,-173.82)    2.47                24
 04/11/2020   12:20:24   (  68.17,  -6.34) 04/11/2020   12:19:31  (  68.18,  -6.32)    2.17                53
 04/14/2020   02:55:53   (  68.36, 134.55) 04/14/2020   02:57:02  (  68.36, 134.50)    1.89                69
 04/14/2020   03:46:35   ( -68.27, -58.01) 04/14/2020   03:46:32  ( -68.27, -57.98)    1.46                 3
 04/14/2020   04:37:15   (  67.94, 109.72) 04/14/2020   04:36:02  (  67.97, 109.32)   17.00                73