Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 5.  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)
 02/07/2018   14:41:46   ( -70.15, 136.01) 02/07/2018   14:40:40  ( -70.13, 136.07)    3.35                66
 02/07/2018   15:31:13   (  70.05, -56.49) 02/07/2018   15:31:25  (  70.06, -56.51)    1.02                12
 02/07/2018   16:20:49   ( -69.61, 110.53) 02/07/2018   16:22:00  ( -69.61, 111.47)   36.60                71
 02/10/2018   06:58:15   ( -70.11,-108.17) 02/10/2018   06:57:33  ( -70.12,-108.14)    1.29                42
 02/10/2018   07:47:42   (  70.01,  59.33) 02/10/2018   07:48:17  (  69.99,  59.36)    1.89                35
 02/12/2018   22:25:03   (  70.73,-159.02) 02/12/2018   22:23:54  (  70.77,-160.71)   62.21                69
 02/12/2018   23:14:42   ( -70.12,   7.73) 02/12/2018   23:14:25  ( -70.11,   7.65)    3.27                17
 02/13/2018   00:04:10   (  69.96, 175.14) 02/13/2018   00:05:09  (  69.99, 175.15)    3.17                59
 02/15/2018   14:41:41   (  70.18, -43.94) 02/15/2018   14:40:36  (  70.19, -44.01)    2.49                65
 02/15/2018   15:31:11   ( -70.08, 123.54) 02/15/2018   15:31:17  ( -70.05, 123.52)    2.85                 6
 02/15/2018   16:20:45   (  69.58, -69.51) 02/15/2018   16:21:55  (  69.61, -68.52)   38.51                70
 02/18/2018   06:58:10   (  70.13,  71.86) 02/18/2018   06:57:28  (  70.14,  71.85)    1.20                42
 02/18/2018   07:47:40   ( -70.02,-120.65) 02/18/2018   07:48:10  ( -70.05,-120.70)    3.20                30