Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 12.  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)
 03/14/2019   14:41:31   ( -70.16, 136.02) 03/14/2019   14:40:42  ( -70.13, 136.04)    3.20                49
 03/14/2019   15:30:58   (  70.05, -56.49) 03/14/2019   15:31:27  (  70.06, -56.54)    2.25                29
 03/17/2019   06:08:15   (  70.97,  85.48) 03/17/2019   06:07:08  (  71.02,  83.06)   87.93                67
 03/17/2019   06:57:59   ( -70.10,-108.18) 03/17/2019   06:57:34  ( -70.10,-108.14)    1.61                25
 03/17/2019   07:47:26   (  69.99,  59.30) 03/17/2019   07:48:18  (  69.98,  59.35)    2.11                52
 03/19/2019   22:24:57   (  70.19,-159.80) 03/19/2019   22:23:46  (  70.21,-159.85)    2.83                71
 03/19/2019   23:14:27   ( -70.09,   7.68) 03/19/2019   23:14:27  ( -70.07,   7.68)    1.71                 0
 03/20/2019   00:03:57   (  69.81, 174.94) 03/20/2019   00:05:08  (  69.80, 175.40)   17.95                71
 03/22/2019   14:41:26   (  70.12, -44.02) 03/22/2019   14:40:38  (  70.14, -43.96)    2.80                48
 03/22/2019   15:30:56   ( -70.02, 123.47) 03/22/2019   15:31:20  ( -70.05, 123.49)    3.27                24
 03/25/2019   06:57:54   (  70.11,  71.84) 03/25/2019   06:57:31  (  70.12,  71.85)    1.74                23
 03/25/2019   07:47:24   ( -70.01,-120.67) 03/25/2019   07:48:13  ( -70.03,-120.70)    2.75                49