Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 11 20.  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)
 11/21/2016   22:25:45   (  70.17,-159.84) 11/21/2016   22:24:38  (  70.17,-159.85)    0.86                67
 11/21/2016   23:15:15   ( -70.05,   7.64) 11/21/2016   23:15:20  ( -70.07,   7.62)    2.20                 5
 11/22/2016   00:04:47   (  69.68, 174.76) 11/22/2016   00:05:58  (  69.65, 175.56)   31.37                71
 11/24/2016   14:42:15   (  70.12, -44.03) 11/24/2016   14:41:32  (  70.12, -44.00)    1.21                43
 11/24/2016   15:31:45   ( -70.01, 123.45) 11/24/2016   15:32:14  ( -70.02, 123.48)    1.60                29
 11/27/2016   06:09:04   ( -70.88, -94.67) 11/27/2016   06:07:56  ( -70.95, -96.87)   80.67                68
 11/27/2016   06:58:44   (  70.06,  71.77) 11/27/2016   06:58:25  (  70.07,  71.84)    3.04                19
 11/27/2016   07:48:14   ( -69.95,-120.75) 11/27/2016   07:49:07  ( -69.96,-120.67)    2.98                53
 11/29/2016   22:25:46   ( -70.17,  20.15) 11/29/2016   22:24:36  ( -70.17,  20.15)    0.42                70
 11/29/2016   23:15:13   (  70.05,-172.36) 11/29/2016   23:15:20  (  70.08,-172.40)    2.91                 7
 11/30/2016   00:04:46   ( -69.79,  -5.10) 11/30/2016   00:05:58  ( -69.75,  -4.59)   19.86                72
 12/02/2016   14:42:16   ( -70.10, 135.94) 12/02/2016   14:41:30  ( -70.12, 135.99)    2.85                46
 12/02/2016   15:31:42   (  70.04, -56.49) 12/02/2016   15:32:14  (  70.03, -56.56)    2.80                32