Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 9.  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   02:55:51   (  68.96, 133.83) 02/10/2020   02:57:01  (  68.80, 134.94)   47.55                70
 02/10/2020   03:46:22   ( -68.34, -58.02) 02/10/2020   03:46:36  ( -68.36, -57.97)    2.96                14
 02/10/2020   04:37:06   (  68.21, 109.45) 02/10/2020   04:36:04  (  68.20, 109.48)    2.07                62
 02/12/2020   19:12:36   (  68.41,-109.67) 02/12/2020   19:13:39  (  68.43,-109.65)    2.83                63
 02/12/2020   20:03:17   ( -68.27,  57.83) 02/12/2020   20:03:10  ( -68.28,  57.79)    1.78                 7
 02/12/2020   20:53:54   (  67.77,-134.23) 02/12/2020   20:52:43  (  67.83,-135.09)   36.80                71
 02/15/2020   11:29:32   (  68.40,   6.11) 02/15/2020   11:30:12  (  68.40,   6.17)    2.17                40
 02/15/2020   12:20:13   ( -68.26, 173.61) 02/15/2020   12:19:43  ( -68.24, 173.61)    1.50                30
 02/18/2020   02:55:58   ( -69.25, -46.59) 02/18/2020   02:57:06  ( -69.14, -44.69)   76.22                68
 02/18/2020   03:46:27   (  68.33, 121.96) 02/18/2020   03:46:45  (  68.35, 121.98)    2.33                18
 02/18/2020   04:37:08   ( -68.19, -70.54) 02/18/2020   04:36:16  ( -68.20, -70.57)    1.95                52
 02/20/2020   19:12:39   ( -68.44,  70.28) 02/20/2020   19:13:51  ( -68.43,  70.29)    1.76                72
 02/20/2020   20:03:22   (  68.32,-122.26) 02/20/2020   20:03:17  (  68.30,-122.21)    2.97                 5
 02/20/2020   20:54:02   ( -68.13,  45.31) 02/20/2020   20:52:48  ( -68.16,  45.24)    4.56                74