Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 23.  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)
 02/23/2019   22:25:08   ( -70.20,  20.21) 02/23/2019   22:23:59  ( -70.19,  20.13)    2.89                69
 02/23/2019   23:14:36   (  70.04,-172.38) 02/23/2019   23:14:43  (  70.07,-172.36)    2.64                 7
 02/24/2019   00:04:09   ( -69.77,  -5.13) 02/24/2019   00:05:21  ( -69.78,  -4.61)   19.84                72
 02/26/2019   14:41:36   ( -70.16, 136.03) 02/26/2019   14:40:51  ( -70.15, 135.98)    2.70                45
 02/26/2019   15:31:04   (  70.00, -56.55) 02/26/2019   15:31:35  (  70.02, -56.52)    2.57                31
 03/01/2019   06:08:24   (  70.83,  85.27) 03/01/2019   06:07:16  (  70.92,  83.19)   76.24                68
 03/01/2019   06:58:05   ( -70.12,-108.15) 03/01/2019   06:57:44  ( -70.11,-108.18)    2.08                21
 03/01/2019   07:47:32   (  70.01,  59.34) 03/01/2019   07:48:28  (  69.98,  59.31)    3.39                56
 03/03/2019   22:25:04   (  70.18,-159.82) 03/03/2019   22:23:56  (  70.20,-159.87)    3.19                68
 03/03/2019   23:14:34   ( -70.07,   7.66) 03/03/2019   23:14:37  ( -70.07,   7.66)    0.81                 3
 03/04/2019   00:04:06   (  69.69, 174.77) 03/04/2019   00:05:17  (  69.73, 175.46)   27.38                71
 03/06/2019   14:41:33   (  70.12, -44.02) 03/06/2019   14:40:48  (  70.11, -43.96)    2.64                45
 03/06/2019   15:31:03   ( -70.02, 123.46) 03/06/2019   15:31:30  ( -70.03, 123.49)    1.46                27