Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 1 31.  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)
 02/02/2018   06:58:15   (  70.11,  71.84) 02/02/2018   06:57:40  (  70.13,  71.82)    2.17                35
 02/02/2018   07:47:45   ( -69.99,-120.69) 02/02/2018   07:48:21  ( -70.00,-120.66)    1.48                36
 02/04/2018   22:25:08   ( -70.60,  20.80) 02/04/2018   22:23:57  ( -70.66,  19.46)   49.68                71
 02/04/2018   23:14:43   (  70.06,-172.35) 02/04/2018   23:14:32  (  70.06,-172.30)    1.96                11
 02/05/2018   00:04:12   ( -70.00,  -4.80) 02/05/2018   00:05:14  ( -69.98,  -4.86)    3.19                62
 02/07/2018   14:41:43   ( -70.17, 136.05) 02/07/2018   14:40:41  ( -70.17, 136.01)    1.59                62
 02/07/2018   15:31:10   (  70.06, -56.46) 02/07/2018   15:31:25  (  70.05, -56.50)    2.01                15
 02/07/2018   16:20:48   ( -69.51, 110.41) 02/07/2018   16:21:58  ( -69.49, 111.64)   47.87                70
 02/10/2018   06:58:11   ( -70.12,-108.15) 02/10/2018   06:57:33  ( -70.11,-108.12)    1.45                38
 02/10/2018   07:47:38   (  70.00,  59.34) 02/10/2018   07:48:17  (  69.99,  59.37)    2.15                39
 02/12/2018   22:25:01   (  70.54,-159.27) 02/12/2018   22:23:51  (  70.60,-160.44)   43.89                70
 02/12/2018   23:14:37   ( -70.11,   7.73) 02/12/2018   23:14:25  ( -70.10,   7.68)    2.80                12
 02/13/2018   00:04:04   (  70.00, 175.22) 02/13/2018   00:05:09  (  69.98, 175.16)    2.89                65