Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 8 4.  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)
 08/05/2019   14:42:01   ( -70.11, 136.01) 08/05/2019   14:41:12  ( -70.10, 136.02)    1.15                49
 08/05/2019   15:31:28   (  70.01, -56.49) 08/05/2019   15:31:56  (  69.98, -56.49)    3.23                28
 08/08/2019   06:08:47   (  70.94,  85.49) 08/08/2019   06:07:40  (  70.99,  83.03)   89.50                67
 08/08/2019   06:58:31   ( -70.07,-108.17) 08/08/2019   06:58:06  ( -70.07,-108.16)    0.54                25
 08/08/2019   07:47:58   (  69.96,  59.32) 08/08/2019   07:48:50  (  69.95,  59.33)    1.17                52
 08/10/2019   22:25:32   (  70.12,-159.85) 08/10/2019   22:24:19  (  70.13,-159.80)    2.00                73
 08/10/2019   23:15:02   ( -70.02,   7.64) 08/10/2019   23:15:01  ( -70.03,   7.66)    2.05                 1
 08/11/2019   00:04:31   (  69.80, 174.97) 08/11/2019   00:05:43  (  69.81, 175.30)   12.70                72
 08/13/2019   14:42:02   (  70.12, -43.97) 08/13/2019   14:41:14  (  70.10, -43.99)    2.51                48
 08/13/2019   15:31:32   ( -70.02, 123.52) 08/13/2019   15:31:56  ( -70.00, 123.48)    2.57                24
 08/16/2019   06:58:33   (  70.07,  71.83) 08/16/2019   06:58:09  (  70.08,  71.82)    1.28                24
 08/16/2019   07:48:03   ( -69.97,-120.67) 08/16/2019   07:48:51  ( -69.98,-120.71)    1.58                48