Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 7 3.  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)
 07/04/2019   14:41:51   ( -70.10, 136.00) 07/04/2019   14:41:05  ( -70.11, 136.00)    0.88                46
 07/04/2019   15:31:18   (  70.00, -56.50) 07/04/2019   15:31:49  (  69.98, -56.50)    2.01                31
 07/07/2019   06:08:40   (  70.80,  85.28) 07/07/2019   06:07:32  (  70.88,  83.23)   75.34                68
 07/07/2019   06:58:21   ( -70.09,-108.14) 07/07/2019   06:58:00  ( -70.06,-108.15)    3.54                21
 07/07/2019   07:47:49   (  69.93,  59.28) 07/07/2019   07:48:44  (  69.93,  59.35)    2.68                55
 07/09/2019   22:25:21   (  70.12,-159.84) 07/09/2019   22:24:13  (  70.14,-159.83)    2.12                68
 07/09/2019   23:14:51   ( -70.02,   7.64) 07/09/2019   23:14:54  ( -70.00,   7.70)    2.73                 3
 07/10/2019   00:04:23   (  69.63, 174.75) 07/10/2019   00:05:34  (  69.67, 175.51)   29.53                71
 07/12/2019   14:41:51   (  70.10, -43.99) 07/12/2019   14:41:08  (  70.09, -43.98)    0.88                43
 07/12/2019   15:31:21   ( -70.00, 123.49) 07/12/2019   15:31:50  ( -70.01, 123.47)    1.38                29
 07/15/2019   06:08:41   ( -70.90, -94.57) 07/15/2019   06:07:34  ( -70.95, -96.89)   84.61                67
 07/15/2019   06:58:21   (  70.08,  71.86) 07/15/2019   06:58:03  (  70.05,  71.86)    3.29                18
 07/15/2019   07:47:51   ( -69.98,-120.66) 07/15/2019   07:48:45  ( -69.96,-120.69)    2.42                54