Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 28.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/28/2018   22:24:53   (  70.94,-158.70) 02/28/2018   22:23:46  (  71.00,-161.06)   85.68                67
 02/28/2018   23:14:36   ( -70.12,   7.70) 02/28/2018   23:14:12  ( -70.09,   7.73)    3.08                24
 03/01/2018   00:04:03   (  70.01, 175.20) 03/01/2018   00:04:57  (  70.01, 175.15)    1.86                54
 03/03/2018   14:41:34   (  70.16, -43.99) 03/03/2018   14:40:22  (  70.17, -43.93)    2.82                72
 03/03/2018   15:31:03   ( -70.10, 123.56) 03/03/2018   15:31:04  ( -70.09, 123.51)    2.09                 1
 03/03/2018   16:20:33   (  69.83, -69.18) 03/03/2018   16:21:45  (  69.81, -68.76)   16.13                72
 03/06/2018   06:58:02   (  70.13,  71.85) 03/06/2018   06:57:14  (  70.13,  71.91)    2.37                48
 03/06/2018   07:47:32   ( -70.02,-120.67) 03/06/2018   07:47:56  ( -70.05,-120.64)    2.67                24
 03/08/2018   23:14:30   (  70.10,-172.31) 03/08/2018   23:14:06  (  70.09,-172.24)    3.14                24
 03/09/2018   00:04:00   ( -70.00,  -4.82) 03/09/2018   00:04:48  ( -70.00,  -4.79)    1.23                48
 03/11/2018   14:41:29   ( -70.29, 136.20) 03/11/2018   14:40:17  ( -70.32, 135.88)   12.41                72
 03/11/2018   15:30:58   (  70.07, -56.47) 03/11/2018   15:30:59  (  70.10, -56.48)    3.23                 1
 03/11/2018   16:20:28   ( -69.97, 111.02) 03/11/2018   16:21:40  ( -69.96, 111.06)    2.06                72
 03/14/2018   06:57:58   ( -70.15,-108.12) 03/14/2018   06:57:06  ( -70.17,-108.11)    1.99                52
 03/14/2018   07:47:25   (  70.03,  59.36) 03/14/2018   07:47:50  (  70.06,  59.36)    3.12                25