Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 6 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)
 07/01/2019   22:25:20   ( -70.18,  20.22) 07/01/2019   22:24:10  ( -70.16,  20.16)    3.52                70
 07/01/2019   23:14:48   (  70.02,-172.35) 07/01/2019   23:14:54  (  70.03,-172.34)    1.05                 6
 07/02/2019   00:04:21   ( -69.75,  -5.11) 07/02/2019   00:05:33  ( -69.79,  -4.67)   17.72                72
 07/04/2019   14:41:51   ( -70.11, 136.01) 07/04/2019   14:41:05  ( -70.10, 136.01)    1.23                46
 07/04/2019   15:31:18   (  70.01, -56.49) 07/04/2019   15:31:49  (  69.98, -56.49)    3.34                31
 07/07/2019   06:08:39   (  70.81,  85.28) 07/07/2019   06:07:31  (  70.87,  83.24)   74.93                68
 07/07/2019   06:58:21   ( -70.04,-108.21) 07/07/2019   06:57:59  ( -70.05,-108.13)    2.92                22
 07/07/2019   07:47:48   (  69.93,  59.28) 07/07/2019   07:48:43  (  69.92,  59.36)    3.14                55
 07/09/2019   22:25:21   (  70.13,-159.84) 07/09/2019   22:24:13  (  70.13,-159.81)    1.05                68
 07/09/2019   23:14:51   ( -70.03,   7.65) 07/09/2019   23:14:55  ( -70.04,   7.64)    1.97                 4
 07/10/2019   00:04:23   (  69.64, 174.75) 07/10/2019   00:05:34  (  69.66, 175.52)   29.82                71
 07/12/2019   14:41:51   (  70.11, -43.99) 07/12/2019   14:41:08  (  70.08, -43.96)    3.13                43
 07/12/2019   15:31:21   ( -70.00, 123.50) 07/12/2019   15:31:50  ( -69.99, 123.49)    1.85                29