Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 13.  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)
 02/15/2017   06:58:20   (  70.11,  71.82) 02/15/2017   06:57:56  (  70.13,  71.78)    2.81                24
 02/15/2017   07:47:50   ( -69.99,-120.71) 02/15/2017   07:48:37  ( -70.00,-120.71)    1.48                47
 02/17/2017   22:25:19   ( -70.28,  20.30) 02/17/2017   22:24:06  ( -70.33,  19.93)   15.15                73
 02/17/2017   23:14:48   (  70.07,-172.36) 02/17/2017   23:14:47  (  70.05,-172.32)    2.80                 1
 02/18/2017   00:04:18   ( -69.96,  -4.88) 02/18/2017   00:05:29  ( -69.97,  -4.89)    1.69                71
 02/20/2017   14:41:50   ( -70.14, 135.97) 02/20/2017   14:40:56  ( -70.15, 135.99)    1.36                54
 02/20/2017   15:31:17   (  70.03, -56.53) 02/20/2017   15:31:40  (  70.02, -56.51)    1.24                23
 02/20/2017   16:21:01   ( -69.15, 109.91) 02/20/2017   16:22:07  ( -69.15, 112.08)   85.95                66
 02/23/2017   06:58:19   ( -70.10,-108.21) 02/23/2017   06:57:49  ( -70.12,-108.19)    2.81                30
 02/23/2017   07:47:46   (  69.99,  59.28) 02/23/2017   07:48:33  (  70.00,  59.30)    1.86                47
 02/25/2017   22:25:16   (  70.27,-159.72) 02/25/2017   22:24:03  (  70.34,-160.08)   16.03                73
 02/25/2017   23:14:47   ( -70.11,   7.69) 02/25/2017   23:14:42  ( -70.10,   7.62)    2.56                 5
 02/26/2017   00:04:14   (  69.99, 175.17) 02/26/2017   00:05:26  (  69.98, 175.11)    2.73                72