Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 7 13.  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)
 07/15/2019   06:08:41   ( -70.84, -94.66) 07/15/2019   06:07:33  ( -70.93, -96.86)   80.71                68
 07/15/2019   06:58:20   (  70.09,  71.87) 07/15/2019   06:58:03  (  70.07,  71.83)    2.69                17
 07/15/2019   07:47:50   ( -69.97,-120.66) 07/15/2019   07:48:45  ( -69.99,-120.73)    3.45                55
 07/17/2019   22:25:23   ( -70.16,  20.21) 07/17/2019   22:24:14  ( -70.15,  20.17)    1.99                69
 07/17/2019   23:14:51   (  70.00,-172.37) 07/17/2019   23:14:58  (  70.02,-172.34)    3.02                 7
 07/18/2019   00:04:24   ( -69.73,  -5.12) 07/18/2019   00:05:36  ( -69.73,  -4.58)   20.96                72
 07/20/2019   14:41:53   ( -70.13, 136.05) 07/20/2019   14:41:09  ( -70.10, 136.01)    3.09                44
 07/20/2019   15:31:21   (  69.96, -56.54) 07/20/2019   15:31:53  (  69.98, -56.50)    2.37                32
 07/23/2019   06:08:43   (  70.74,  85.21) 07/23/2019   06:07:34  (  70.78,  83.39)   66.91                69
 07/23/2019   06:58:23   ( -70.04,-108.20) 07/23/2019   06:58:03  ( -70.06,-108.15)    2.89                20
 07/23/2019   07:47:50   (  69.93,  59.29) 07/23/2019   07:48:47  (  69.94,  59.33)    2.20                57
 07/25/2019   22:25:22   (  70.16,-159.78) 07/25/2019   22:24:17  (  70.16,-159.86)    2.97                65
 07/25/2019   23:14:53   ( -70.00,   7.63) 07/25/2019   23:14:58  ( -70.01,   7.69)    2.69                 5
 07/26/2019   00:04:26   (  69.55, 174.66) 07/26/2019   00:05:36  (  69.58, 175.64)   37.91                70