Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 8.  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)
 02/10/2020   02:55:50   (  68.93, 133.87) 02/10/2020   02:57:00  (  68.83, 134.97)   45.65                70
 02/10/2020   03:46:22   ( -68.31, -57.99) 02/10/2020   03:46:37  ( -68.33, -58.00)    2.66                15
 02/10/2020   04:37:06   (  68.18, 109.48) 02/10/2020   04:36:05  (  68.17, 109.44)    2.29                61
 02/12/2020   19:12:37   (  68.44,-109.70) 02/12/2020   19:13:40  (  68.41,-109.68)    3.26                63
 02/12/2020   20:03:18   ( -68.30,  57.80) 02/12/2020   20:03:10  ( -68.31,  57.83)    1.89                 8
 02/12/2020   20:53:55   (  67.79,-134.26) 02/12/2020   20:52:43  (  67.86,-135.06)   33.98                72
 02/15/2020   11:29:31   (  68.37,   6.15) 02/15/2020   11:30:12  (  68.37,   6.14)    0.43                41
 02/15/2020   12:20:12   ( -68.23, 173.65) 02/15/2020   12:19:43  ( -68.22, 173.59)    2.65                29
 02/18/2020   02:55:58   ( -69.28, -46.62) 02/18/2020   02:57:05  ( -69.17, -44.64)   79.16                67
 02/18/2020   03:46:26   (  68.31, 121.99) 02/18/2020   03:46:45  (  68.33, 121.95)    3.06                19
 02/18/2020   04:37:08   ( -68.22, -70.57) 02/18/2020   04:36:15  ( -68.24, -70.53)    3.05                53
 02/20/2020   19:12:39   ( -68.47,  70.24) 02/20/2020   19:13:50  ( -68.46,  70.33)    3.85                71
 02/20/2020   20:03:22   (  68.30,-122.23) 02/20/2020   20:03:18  (  68.28,-122.24)    1.88                 4
 02/20/2020   20:54:02   ( -68.10,  45.34) 02/20/2020   20:52:49  ( -68.14,  45.22)    6.72                73