Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 25.  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)
 02/26/2018   06:58:08   ( -70.13,-108.15) 02/26/2018   06:57:20  ( -70.13,-108.11)    1.42                48
 02/26/2018   07:47:35   (  70.03,  59.35) 02/26/2018   07:48:05  (  70.06,  59.31)    3.27                30
 02/28/2018   22:24:53   (  70.95,-158.70) 02/28/2018   22:23:46  (  71.00,-161.05)   85.59                67
 02/28/2018   23:14:36   ( -70.12,   7.71) 02/28/2018   23:14:13  ( -70.13,   7.66)    2.40                23
 03/01/2018   00:04:03   (  70.02, 175.21) 03/01/2018   00:04:57  (  70.01, 175.16)    1.92                54
 03/03/2018   14:41:34   (  70.16, -43.99) 03/03/2018   14:40:22  (  70.17, -43.93)    2.45                72
 03/03/2018   15:31:03   ( -70.11, 123.57) 03/03/2018   15:31:04  ( -70.09, 123.52)    2.98                 1
 03/03/2018   16:20:33   (  69.83, -69.17) 03/03/2018   16:21:45  (  69.81, -68.75)   16.22                72
 03/06/2018   06:58:02   (  70.14,  71.86) 03/06/2018   06:57:14  (  70.13,  71.92)    2.58                48
 03/06/2018   07:47:32   ( -70.03,-120.65) 03/06/2018   07:47:56  ( -70.04,-120.63)    1.23                24
 03/08/2018   23:14:30   (  70.11,-172.29) 03/08/2018   23:14:07  (  70.14,-172.32)    2.99                23
 03/09/2018   00:04:00   ( -70.01,  -4.81) 03/09/2018   00:04:48  ( -69.99,  -4.78)    1.91                48