Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 6.  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   ( -70.14, 135.99) 02/07/2018   14:40:40  ( -70.14, 136.05)    2.29                66
 02/07/2018   15:31:13   (  70.04, -56.50) 02/07/2018   15:31:25  (  70.06, -56.52)    2.48                12
 02/07/2018   16:20:49   ( -69.60, 110.52) 02/07/2018   16:22:00  ( -69.62, 111.46)   36.63                71
 02/10/2018   06:58:15   ( -70.11,-108.18) 02/10/2018   06:57:33  ( -70.13,-108.15)    2.59                42
 02/10/2018   07:47:42   (  70.00,  59.32) 02/10/2018   07:48:17  (  70.00,  59.35)    1.14                35
 02/12/2018   22:25:04   (  70.72,-159.03) 02/12/2018   22:23:55  (  70.78,-160.72)   62.53                69
 02/12/2018   23:14:44   ( -70.07,   7.64) 02/12/2018   23:14:25  ( -70.07,   7.72)    2.94                19
 02/13/2018   00:04:11   (  69.96, 175.14) 02/13/2018   00:05:09  (  69.94, 175.22)    3.43                58
 02/15/2018   14:41:41   (  70.18, -43.95) 02/15/2018   14:40:36  (  70.20, -44.02)    3.18                65
 02/15/2018   15:31:11   ( -70.08, 123.54) 02/15/2018   15:31:17  ( -70.06, 123.51)    2.00                 6
 02/15/2018   16:20:44   (  69.63, -69.43) 02/15/2018   16:21:55  (  69.62, -68.53)   34.99                71
 02/18/2018   06:58:10   (  70.13,  71.86) 02/18/2018   06:57:28  (  70.14,  71.84)    1.66                42
 02/18/2018   07:47:40   ( -70.03,-120.65) 02/18/2018   07:48:09  ( -70.01,-120.63)    2.60                29