Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 28.  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)
 03/29/2020   02:55:57   (  68.63, 134.20) 03/29/2020   02:57:09  (  68.53, 134.66)   21.80                72
 03/29/2020   03:46:34   ( -68.29, -58.03) 03/29/2020   03:46:42  ( -68.26, -58.04)    3.26                 8
 03/29/2020   04:37:18   (  68.15, 109.45) 03/29/2020   04:36:09  (  68.14, 109.47)    1.45                69
 03/31/2020   19:12:47   (  68.34,-109.64) 03/31/2020   19:13:40  (  68.34,-109.69)    1.86                53
 03/31/2020   20:03:29   ( -68.26,  57.78) 03/31/2020   20:03:10  ( -68.24,  57.82)    3.02                19
 03/31/2020   20:53:58   (  67.31,-133.76) 03/31/2020   20:52:50  (  67.39,-135.51)   75.48                68
 04/03/2020   11:29:41   (  68.31,   6.16) 04/03/2020   11:30:07  (  68.30,   6.16)    0.63                26
 04/03/2020   12:20:22   ( -68.17, 173.65) 04/03/2020   12:19:38  ( -68.15, 173.61)    3.32                44
 04/06/2020   02:55:55   ( -68.57, -45.72) 04/06/2020   02:57:06  ( -68.50, -45.36)   16.51                71
 04/06/2020   03:46:36   (  68.29, 121.96) 04/06/2020   03:46:35  (  68.26, 122.00)    3.01                 1
 04/06/2020   04:37:17   ( -68.15, -70.54) 04/06/2020   04:36:05  ( -68.17, -70.48)    3.47                72
 04/08/2020   19:12:46   ( -68.33,  70.37) 04/08/2020   19:13:36  ( -68.34,  70.34)    1.78                50
 04/08/2020   20:03:30   (  68.21,-122.17) 04/08/2020   20:03:03  (  68.22,-122.16)    0.85                27
 04/08/2020   20:53:56   ( -67.26,  46.31) 04/08/2020   20:52:48  ( -67.29,  44.40)   82.08                68