Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 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)
 01/30/2020   12:20:06   ( -68.21, 173.70) 01/30/2020   12:19:23  ( -68.21, 173.67)    1.58                43
 02/02/2020   02:55:42   ( -68.78, -45.89) 02/02/2020   02:56:53  ( -68.68, -45.16)   31.09                71
 02/02/2020   03:46:20   (  68.33, 122.00) 02/02/2020   03:46:25  (  68.30, 122.01)    3.40                 5
 02/02/2020   04:37:01   ( -68.19, -70.50) 02/02/2020   04:35:55  ( -68.19, -70.48)    0.86                66
 02/04/2020   19:12:31   ( -68.38,  70.39) 02/04/2020   19:13:31  ( -68.39,  70.33)    2.55                60
 02/04/2020   20:03:15   (  68.26,-122.14) 02/04/2020   20:02:58  (  68.28,-122.15)    2.14                17
 02/04/2020   20:53:47   ( -67.63,  45.96) 02/04/2020   20:52:37  ( -67.67,  44.78)   50.21                70
 02/07/2020   11:29:27   ( -68.36,-173.82) 02/07/2020   11:30:04  ( -68.36,-173.83)    0.64                37
 02/07/2020   12:20:11   (  68.24,  -6.36) 02/07/2020   12:19:31  (  68.25,  -6.32)    1.53                40
 02/10/2020   02:55:50   (  68.92, 133.89) 02/10/2020   02:57:00  (  68.82, 134.96)   44.56                70
 02/10/2020   03:46:23   ( -68.34, -58.03) 02/10/2020   03:46:37  ( -68.33, -58.01)    1.78                14
 02/10/2020   04:37:06   (  68.17, 109.50) 02/10/2020   04:36:05  (  68.16, 109.43)    3.21                61
 02/12/2020   19:12:36   (  68.42,-109.69) 02/12/2020   19:13:38  (  68.44,-109.64)    2.74                62
 02/12/2020   20:03:17   ( -68.28,  57.82) 02/12/2020   20:03:09  ( -68.29,  57.81)    2.03                 8
 02/12/2020   20:53:54   (  67.78,-134.25) 02/12/2020   20:52:42  (  67.83,-135.08)   35.27                72