Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 30.  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)
 03/31/2020   19:12:47   (  68.35,-109.66) 03/31/2020   19:13:40  (  68.33,-109.70)    3.11                53
 03/31/2020   20:03:28   ( -68.22,  57.82) 03/31/2020   20:03:10  ( -68.22,  57.80)    0.83                18
 03/31/2020   20:53:58   (  67.33,-133.77) 03/31/2020   20:52:50  (  67.38,-135.52)   75.09                68
 04/03/2020   11:29:42   (  68.33,   6.14) 04/03/2020   11:30:08  (  68.30,   6.15)    2.92                26
 04/03/2020   12:20:23   ( -68.19, 173.63) 04/03/2020   12:19:38  ( -68.20, 173.66)    1.48                45
 04/06/2020   02:55:55   ( -68.54, -45.67) 04/06/2020   02:57:07  ( -68.50, -45.36)   13.19                72
 04/06/2020   03:46:35   (  68.25, 122.01) 04/06/2020   03:46:35  (  68.27, 122.00)    2.11                 0
 04/06/2020   04:37:16   ( -68.11, -70.50) 04/06/2020   04:36:06  ( -68.11, -70.55)    2.06                70
 04/08/2020   19:12:46   ( -68.35,  70.34) 04/08/2020   19:13:36  ( -68.36,  70.35)    0.81                50
 04/08/2020   20:03:30   (  68.23,-122.20) 04/08/2020   20:03:03  (  68.23,-122.15)    1.95                27
 04/08/2020   20:53:56   ( -67.28,  46.29) 04/08/2020   20:52:48  ( -67.30,  44.41)   80.54                68
 04/11/2020   10:39:14   (  69.23,  17.61) 04/11/2020   10:40:21  (  69.14,  19.59)   78.70                67
 04/11/2020   11:29:41   ( -68.33,-173.86) 04/11/2020   11:30:04  ( -68.32,-173.80)    2.81                23
 04/11/2020   12:20:24   (  68.16,  -6.33) 04/11/2020   12:19:32  (  68.14,  -6.37)    2.75                52