Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 5.  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)
 02/07/2019   02:56:19   (  68.31, 134.57) 02/07/2019   02:56:54  (  68.31, 134.53)    1.47                35
 02/07/2019   03:47:00   ( -68.18, -57.94) 02/07/2019   03:46:24  ( -68.21, -57.96)    3.19                36
 02/09/2019   18:22:39   ( -68.97,  82.16) 02/09/2019   18:23:49  ( -68.85,  83.43)   52.53                70
 02/09/2019   19:13:13   (  68.31,-109.66) 02/09/2019   19:13:24  (  68.29,-109.61)    2.73                11
 02/09/2019   20:03:53   ( -68.12,  57.90) 02/09/2019   20:02:55  ( -68.14,  57.84)    3.36                58
 02/12/2019   10:39:22   ( -68.38,-161.28) 02/12/2019   10:40:27  ( -68.41,-161.25)    3.13                65
 02/12/2019   11:30:06   (  68.25,   6.19) 02/12/2019   11:29:55  (  68.23,   6.18)    3.22                11
 02/12/2019   12:20:42   ( -67.85, 174.02) 02/12/2019   12:19:29  ( -67.91, 173.44)   24.94                73
 02/15/2019   02:56:15   ( -68.32, -45.43) 02/15/2019   02:56:58  ( -68.35, -45.44)    3.12                43
 02/15/2019   03:46:59   (  68.20, 122.03) 02/15/2019   03:46:25  (  68.23, 122.06)    2.96                34
 02/17/2019   18:22:39   (  69.11, -98.03) 02/17/2019   18:23:47  (  69.01, -96.38)   66.38                68
 02/17/2019   19:13:08   ( -68.33,  70.34) 02/17/2019   19:13:28  ( -68.31,  70.38)    2.57                20
 02/17/2019   20:03:51   (  68.15,-122.13) 02/17/2019   20:02:55  (  68.18,-122.12)    3.35                56