Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 10.  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)
 03/10/2020   11:29:36   ( -68.32,-173.83) 03/10/2020   11:30:20  ( -68.35,-173.86)    3.05                44
 03/10/2020   12:20:21   (  68.24,  -6.41) 03/10/2020   12:19:47  (  68.23,  -6.35)    2.57                34
 03/13/2020   02:56:01   (  69.00, 133.73) 03/13/2020   02:57:10  (  68.90, 135.08)   55.17                69
 03/13/2020   03:46:31   ( -68.28, -58.00) 03/13/2020   03:46:49  ( -68.30, -58.03)    3.19                18
 03/13/2020   04:37:16   (  68.19, 109.41) 03/13/2020   04:36:16  (  68.18, 109.48)    2.99                60
 03/15/2020   19:12:45   (  68.36,-109.66) 03/15/2020   19:13:48  (  68.35,-109.71)    2.49                63
 03/15/2020   20:03:26   ( -68.23,  57.83) 03/15/2020   20:03:18  ( -68.25,  57.80)    2.79                 8
 03/15/2020   20:54:03   (  67.72,-134.23) 03/15/2020   20:52:52  (  67.74,-135.16)   39.03                71
 03/18/2020   11:29:39   (  68.32,   6.15) 03/18/2020   11:30:15  (  68.35,   6.17)    3.14                36
 03/18/2020   12:20:20   ( -68.19, 173.65) 03/18/2020   12:19:46  ( -68.20, 173.63)    1.82                34
 03/21/2020   02:56:00   ( -68.95, -46.21) 03/21/2020   02:57:10  ( -68.81, -45.01)   50.16                70
 03/21/2020   03:46:34   (  68.29, 121.97) 03/21/2020   03:46:44  (  68.29, 121.99)    1.17                10
 03/21/2020   04:37:15   ( -68.15, -70.53) 03/21/2020   04:36:15  ( -68.15, -70.55)    0.53                60
 03/23/2020   19:12:45   ( -68.38,  70.32) 03/23/2020   19:13:46  ( -68.37,  70.32)    0.83                61
 03/23/2020   20:03:29   (  68.25,-122.22) 03/23/2020   20:03:13  (  68.23,-122.19)    2.47                16
 03/23/2020   20:54:02   ( -67.68,  45.82) 03/23/2020   20:52:51  ( -67.70,  44.82)   42.12                71