Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 11.  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)
 02/12/2020   19:12:36   (  68.41,-109.67) 02/12/2020   19:13:39  (  68.44,-109.65)    3.16                63
 02/12/2020   20:03:17   ( -68.27,  57.83) 02/12/2020   20:03:10  ( -68.28,  57.79)    1.65                 7
 02/12/2020   20:53:54   (  67.77,-134.23) 02/12/2020   20:52:43  (  67.83,-135.09)   36.77                71
 02/15/2020   11:29:32   (  68.40,   6.11) 02/15/2020   11:30:12  (  68.40,   6.17)    2.58                40
 02/15/2020   12:20:13   ( -68.26, 173.61) 02/15/2020   12:19:43  ( -68.25, 173.62)    1.21                30
 02/18/2020   02:55:58   ( -69.26, -46.59) 02/18/2020   02:57:06  ( -69.15, -44.67)   76.73                68
 02/18/2020   03:46:27   (  68.34, 121.96) 02/18/2020   03:46:46  (  68.31, 121.92)    3.02                19
 02/18/2020   04:37:08   ( -68.19, -70.54) 02/18/2020   04:36:16  ( -68.22, -70.56)    2.50                52
 02/20/2020   19:12:39   ( -68.45,  70.27) 02/20/2020   19:13:51  ( -68.45,  70.31)    1.65                72
 02/20/2020   20:03:22   (  68.27,-122.20) 02/20/2020   20:03:19  (  68.27,-122.26)    2.60                 3
 02/20/2020   20:54:02   ( -68.13,  45.30) 02/20/2020   20:52:49  ( -68.12,  45.20)    4.40                73
 02/23/2020   11:29:33   ( -68.39,-173.89) 02/23/2020   11:30:23  ( -68.41,-173.88)    2.20                50
 02/23/2020   12:20:17   (  68.27,  -6.43) 02/23/2020   12:19:50  (  68.28,  -6.38)    2.30                27
 02/23/2020   13:10:43   ( -67.32, 162.06) 02/23/2020   13:09:35  ( -67.36, 160.19)   80.62                68