Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 11 10.  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)
 11/11/2017   14:42:10   (  70.13, -44.01) 11/11/2017   14:41:25  (  70.13, -44.00)    0.55                45
 11/11/2017   15:31:40   ( -70.01, 123.46) 11/11/2017   15:32:07  ( -70.04, 123.45)    3.23                27
 11/14/2017   06:08:58   ( -70.95, -94.54) 11/14/2017   06:07:50  ( -70.99, -96.93)   86.67                68
 11/14/2017   06:58:39   (  70.09,  71.81) 11/14/2017   06:58:19  (  70.09,  71.82)    0.80                20
 11/14/2017   07:48:09   ( -69.97,-120.71) 11/14/2017   07:49:01  ( -70.00,-120.73)    3.17                52
 11/16/2017   22:25:40   ( -70.15,  20.14) 11/16/2017   22:24:28  ( -70.17,  20.16)    3.00                72
 11/16/2017   23:15:07   (  70.04,-172.37) 11/16/2017   23:15:12  (  70.06,-172.37)    2.69                 5
 11/17/2017   00:04:39   ( -69.82,  -5.04) 11/17/2017   00:05:51  ( -69.81,  -4.67)   14.44                72
 11/19/2017   14:42:08   ( -70.15, 136.03) 11/19/2017   14:41:22  ( -70.14, 135.97)    2.25                46
 11/19/2017   15:31:35   (  70.04, -56.49) 11/19/2017   15:32:06  (  70.04, -56.56)    2.65                31
 11/22/2017   06:08:55   (  70.85,  85.32) 11/22/2017   06:07:47  (  70.90,  83.21)   77.01                68
 11/22/2017   06:58:37   ( -70.09,-108.17) 11/22/2017   06:58:16  ( -70.11,-108.22)    2.85                21
 11/22/2017   07:48:04   (  69.98,  59.31) 11/22/2017   07:48:59  (  69.96,  59.33)    2.23                55