Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 4.  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)
 02/07/2017   06:08:40   (  70.99,  85.50) 02/07/2017   06:07:33  (  71.03,  82.99)   90.83                67
 02/07/2017   06:58:24   ( -70.11,-108.18) 02/07/2017   06:57:59  ( -70.12,-108.22)    2.11                25
 02/07/2017   07:47:51   (  70.01,  59.32) 02/07/2017   07:48:43  (  69.99,  59.29)    2.20                52
 02/09/2017   22:25:21   (  70.19,-159.81) 02/09/2017   22:24:09  (  70.16,-159.82)    3.63                72
 02/09/2017   23:14:51   ( -70.08,   7.66) 02/09/2017   23:14:51  ( -70.08,   7.61)    1.90                 0
 02/10/2017   00:04:21   (  69.81, 174.93) 02/10/2017   00:05:33  (  69.85, 175.28)   14.20                72
 02/12/2017   14:41:49   (  70.15, -43.98) 02/12/2017   14:41:02  (  70.13, -43.99)    3.04                47
 02/12/2017   15:31:19   ( -70.04, 123.50) 02/12/2017   15:31:44  ( -70.05, 123.44)    2.06                25
 02/15/2017   06:58:17   (  70.11,  71.84) 02/15/2017   06:57:55  (  70.10,  71.83)    1.70                22
 02/15/2017   07:47:47   ( -70.01,-120.68) 02/15/2017   07:48:37  ( -70.02,-120.73)    2.39                50
 02/17/2017   22:25:17   ( -70.23,  20.25) 02/17/2017   22:24:05  ( -70.24,  20.07)    6.79                72
 02/17/2017   23:14:45   (  70.07,-172.34) 02/17/2017   23:14:48  (  70.07,-172.35)    0.72                 3
 02/18/2017   00:04:16   ( -69.91,  -4.93) 02/18/2017   00:05:29  ( -69.93,  -4.83)    4.90                73