Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 9.  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)
 02/09/2017   22:25:22   (  70.14,-159.89) 02/09/2017   22:24:09  (  70.16,-159.82)    3.35                73
 02/09/2017   23:14:51   ( -70.08,   7.66) 02/09/2017   23:14:51  ( -70.09,   7.61)    2.22                 0
 02/10/2017   00:04:21   (  69.81, 174.93) 02/10/2017   00:05:33  (  69.85, 175.28)   13.99                72
 02/12/2017   14:41:50   (  70.10, -44.06) 02/12/2017   14:41:02  (  70.13, -43.99)    3.50                48
 02/12/2017   15:31:19   ( -70.04, 123.49) 02/12/2017   15:31:44  ( -70.05, 123.44)    2.30                25
 02/15/2017   06:58:17   (  70.12,  71.85) 02/15/2017   06:57:55  (  70.10,  71.83)    2.50                22
 02/15/2017   07:47:47   ( -70.01,-120.68) 02/15/2017   07:48:37  ( -70.02,-120.74)    2.64                50
 02/17/2017   22:25:17   ( -70.24,  20.26) 02/17/2017   22:24:05  ( -70.24,  20.07)    7.01                72
 02/17/2017   23:14:45   (  70.07,-172.33) 02/17/2017   23:14:48  (  70.07,-172.35)    0.87                 3
 02/18/2017   00:04:16   ( -69.91,  -4.93) 02/18/2017   00:05:29  ( -69.94,  -4.83)    4.65                73
 02/20/2017   14:41:45   ( -70.14, 135.99) 02/20/2017   14:40:56  ( -70.16, 135.97)    2.90                49
 02/20/2017   15:31:12   (  70.02, -56.52) 02/20/2017   15:31:40  (  70.04, -56.54)    2.21                28