Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 23.  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)
 10/24/2018   06:08:45   (  70.35,  84.57) 10/24/2018   06:07:33  (  70.40,  84.13)   17.19                72
 10/24/2018   06:58:17   ( -70.13,-108.11) 10/24/2018   06:58:11  ( -70.11,-108.10)    2.97                 6
 10/24/2018   07:47:44   (  70.03,  59.38) 10/24/2018   07:48:56  (  70.03,  59.32)    2.57                72
 10/26/2018   22:25:18   (  70.18,-159.80) 10/26/2018   22:24:24  (  70.21,-159.81)    3.01                54
 10/26/2018   23:14:48   ( -70.07,   7.68) 10/26/2018   23:15:05  ( -70.07,   7.72)    1.36                17
 10/27/2018   00:04:29   (  69.19, 174.12) 10/27/2018   00:05:35  (  69.20, 176.29)   85.64                66
 10/29/2018   14:41:48   (  70.17, -43.94) 10/29/2018   14:41:18  (  70.18, -43.99)    2.29                30
 10/29/2018   15:31:18   ( -70.06, 123.55) 10/29/2018   15:31:59  ( -70.04, 123.53)    2.60                41
 11/01/2018   06:08:46   ( -70.54, -95.16) 11/01/2018   06:07:35  ( -70.64, -96.26)   41.83                71
 11/01/2018   06:58:18   (  70.10,  71.84) 11/01/2018   06:58:10  (  70.10,  71.90)    2.14                 8
 11/01/2018   07:47:48   ( -70.00,-120.67) 11/01/2018   07:48:52  ( -70.01,-120.66)    1.55                64
 11/03/2018   22:25:21   ( -70.20,  20.22) 11/03/2018   22:24:20  ( -70.19,  20.22)    1.19                61
 11/03/2018   23:14:48   (  70.08,-172.30) 11/03/2018   23:15:04  (  70.07,-172.30)    1.36                16
 11/04/2018   00:04:27   ( -69.49,  -5.49) 11/04/2018   00:05:36  ( -69.45,  -4.07)   55.67                69