Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 25.  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)
 03/26/2020   11:29:39   ( -68.30,-173.81) 03/26/2020   11:30:14  ( -68.30,-173.87)    2.46                35
 03/26/2020   12:20:24   (  68.22,  -6.40) 03/26/2020   12:19:41  (  68.19,  -6.36)    3.24                43
 03/29/2020   02:55:58   (  68.66, 134.16) 03/29/2020   02:57:09  (  68.56, 134.69)   24.74                71
 03/29/2020   03:46:34   ( -68.26, -58.00) 03/29/2020   03:46:42  ( -68.29, -58.00)    2.77                 8
 03/29/2020   04:37:17   (  68.13, 109.48) 03/29/2020   04:36:09  (  68.11, 109.44)    2.42                68
 03/31/2020   19:12:47   (  68.37,-109.68) 03/31/2020   19:13:39  (  68.37,-109.65)    1.39                52
 03/31/2020   20:03:28   ( -68.23,  57.81) 03/31/2020   20:03:10  ( -68.21,  57.80)    2.28                18
 03/31/2020   20:53:58   (  67.35,-133.79) 03/31/2020   20:52:49  (  67.42,-135.47)   72.25                69
 04/03/2020   11:29:41   (  68.29,   6.19) 04/03/2020   11:30:08  (  68.28,   6.14)    2.13                27
 04/03/2020   12:20:23   ( -68.20, 173.62) 04/03/2020   12:19:38  ( -68.19, 173.66)    2.39                45
 04/06/2020   02:55:55   ( -68.55, -45.68) 04/06/2020   02:57:07  ( -68.49, -45.37)   14.29                72
 04/06/2020   03:46:36   (  68.27, 121.99) 04/06/2020   03:46:36  (  68.25, 121.99)    1.50                 0
 04/06/2020   04:37:17   ( -68.12, -70.51) 04/06/2020   04:36:07  ( -68.10, -70.56)    2.89                70