Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 12.  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)
 03/13/2020   02:56:00   (  68.97, 133.76) 03/13/2020   02:57:10  (  68.87, 135.04)   52.19                70
 03/13/2020   03:46:31   ( -68.30, -58.04) 03/13/2020   03:46:48  ( -68.32, -58.01)    2.30                17
 03/13/2020   04:37:15   (  68.17, 109.45) 03/13/2020   04:36:16  (  68.15, 109.43)    2.12                59
 03/15/2020   19:12:45   (  68.39,-109.70) 03/15/2020   19:13:47  (  68.36,-109.70)    2.78                62
 03/15/2020   20:03:26   ( -68.26,  57.79) 03/15/2020   20:03:17  ( -68.27,  57.82)    1.32                 9
 03/15/2020   20:54:02   (  67.69,-134.20) 03/15/2020   20:52:51  (  67.75,-135.14)   40.31                71
 03/18/2020   11:29:40   (  68.35,   6.12) 03/18/2020   11:30:15  (  68.35,   6.18)    2.38                35
 03/18/2020   12:20:21   ( -68.22, 173.61) 03/18/2020   12:19:46  ( -68.20, 173.63)    1.69                35
 03/21/2020   02:56:00   ( -68.92, -46.18) 03/21/2020   02:57:10  ( -68.80, -45.03)   47.90                70
 03/21/2020   03:46:34   (  68.26, 122.01) 03/21/2020   03:46:44  (  68.28, 121.98)    2.60                10
 03/21/2020   04:37:15   ( -68.12, -70.50) 03/21/2020   04:36:15  ( -68.14, -70.56)    2.81                60
 03/23/2020   19:12:44   ( -68.35,  70.35) 03/23/2020   19:13:45  ( -68.34,  70.29)    3.15                61
 03/23/2020   20:03:28   (  68.23,-122.18) 03/23/2020   20:03:12  (  68.20,-122.23)    3.20                16
 03/23/2020   20:54:01   ( -67.66,  45.85) 03/23/2020   20:52:50  ( -67.67,  44.78)   44.92                71