Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 12 30.  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)
 01/01/2019   14:41:46   (  70.14, -43.97) 01/01/2019   14:41:14  (  70.13, -44.03)    2.91                32
 01/01/2019   15:31:16   ( -70.03, 123.51) 01/01/2019   15:31:56  ( -70.03, 123.44)    2.61                40
 01/04/2019   06:08:43   ( -70.51, -95.20) 01/04/2019   06:07:31  ( -70.57, -96.26)   39.77                72
 01/04/2019   06:58:16   (  70.08,  71.81) 01/04/2019   06:58:08  (  70.10,  71.79)    2.71                 8
 01/04/2019   07:47:46   ( -69.97,-120.71) 01/04/2019   07:48:49  ( -69.94,-120.66)    3.25                63
 01/06/2019   22:25:18   ( -70.17,  20.18) 01/06/2019   22:24:18  ( -70.17,  20.13)    1.75                60
 01/06/2019   23:14:45   (  70.06,-172.33) 01/06/2019   23:15:02  (  70.07,-172.40)    3.21                17
 01/07/2019   00:04:25   ( -69.40,  -5.60) 01/07/2019   00:05:34  ( -69.44,  -4.15)   56.77                69
 01/09/2019   14:41:47   ( -70.09, 135.95) 01/09/2019   14:41:10  ( -70.09, 136.03)    2.88                37
 01/09/2019   15:31:14   (  69.98, -56.56) 01/09/2019   15:31:54  (  70.00, -56.52)    2.76                40
 01/12/2019   06:08:40   (  70.49,  84.78) 01/12/2019   06:07:29  (  70.55,  83.77)   38.23                71
 01/12/2019   06:58:16   ( -70.06,-108.21) 01/12/2019   06:58:04  ( -70.07,-108.17)    1.81                12
 01/12/2019   07:47:43   (  69.95,  59.27) 01/12/2019   07:48:48  (  69.98,  59.29)    3.18                65