Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 7.  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)
 02/07/2020   11:29:27   ( -68.37,-173.83) 02/07/2020   11:30:04  ( -68.37,-173.83)    0.24                37
 02/07/2020   12:20:11   (  68.24,  -6.36) 02/07/2020   12:19:31  (  68.26,  -6.31)    3.11                40
 02/10/2020   02:55:50   (  68.92, 133.89) 02/10/2020   02:57:00  (  68.84, 134.99)   45.10                70
 02/10/2020   03:46:23   ( -68.35, -58.04) 02/10/2020   03:46:37  ( -68.35, -57.99)    2.29                14
 02/10/2020   04:37:06   (  68.17, 109.50) 02/10/2020   04:36:05  (  68.18, 109.46)    1.87                61
 02/12/2020   19:12:37   (  68.42,-109.69) 02/12/2020   19:13:40  (  68.43,-109.66)    1.25                63
 02/12/2020   20:03:18   ( -68.28,  57.81) 02/12/2020   20:03:11  ( -68.27,  57.79)    1.54                 7
 02/12/2020   20:53:55   (  67.78,-134.25) 02/12/2020   20:52:44  (  67.82,-135.10)   35.92                71
 02/15/2020   11:29:31   (  68.36,   6.16) 02/15/2020   11:30:13  (  68.35,   6.10)    2.87                42
 02/15/2020   12:20:13   ( -68.27, 173.60) 02/15/2020   12:19:43  ( -68.25, 173.62)    2.25                30
 02/18/2020   02:55:58   ( -69.27, -46.60) 02/18/2020   02:57:06  ( -69.16, -44.66)   77.52                68
 02/18/2020   03:46:27   (  68.35, 121.94) 02/18/2020   03:46:45  (  68.37, 122.00)    3.47                18
 02/18/2020   04:37:08   ( -68.20, -70.55) 02/18/2020   04:36:16  ( -68.22, -70.55)    2.48                52
 02/20/2020   19:12:40   ( -68.51,  70.19) 02/20/2020   19:13:51  ( -68.46,  70.33)    7.42                71
 02/20/2020   20:03:22   (  68.28,-122.21) 02/20/2020   20:03:19  (  68.28,-122.24)    1.42                 3
 02/20/2020   20:54:03   ( -68.14,  45.30) 02/20/2020   20:52:50  ( -68.14,  45.22)    3.26                73