Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 7 1.  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)
 07/03/2016   13:52:17   ( -70.32, 148.67) 07/03/2016   13:51:04  ( -70.36, 148.40)   11.09                73
 07/03/2016   14:41:46   (  70.11, -43.99) 07/03/2016   14:41:46  (  70.13, -43.95)    3.18                 0
 07/03/2016   15:31:15   ( -70.05, 123.57) 07/03/2016   15:32:28  ( -70.05, 123.50)    2.52                73
 07/06/2016   06:08:49   ( -70.23, -95.57) 07/06/2016   06:07:56  ( -70.23, -95.63)    2.38                53
 07/06/2016   06:58:16   (  70.13,  71.92) 07/06/2016   06:58:40  (  70.12,  71.85)    3.20                24
 07/06/2016   07:48:00   ( -69.25,-121.65) 07/06/2016   07:49:07  ( -69.23,-119.54)   83.27                67
 07/08/2016   22:25:21   ( -70.15,  20.18) 07/08/2016   22:24:49  ( -70.16,  20.25)    2.96                32
 07/08/2016   23:14:48   (  70.04,-172.33) 07/08/2016   23:15:33  (  70.05,-172.28)    2.41                45
 07/11/2016   13:52:18   (  70.43, -31.16) 07/11/2016   13:51:06  (  70.51, -31.84)   26.73                72
 07/11/2016   14:41:51   ( -70.16, 136.08) 07/11/2016   14:41:43  ( -70.14, 136.05)    2.74                 8
 07/11/2016   15:31:18   (  70.05, -56.43) 07/11/2016   15:32:27  (  70.04, -56.49)    2.59                69
 07/14/2016   06:08:51   (  70.22,  84.41) 07/14/2016   06:07:54  (  70.23,  84.36)    2.39                57
 07/14/2016   06:58:21   ( -70.12,-108.10) 07/14/2016   06:58:36  ( -70.13,-108.16)    2.27                15
 07/14/2016   07:48:00   (  69.34,  58.48) 07/14/2016   07:49:07  (  69.34,  60.31)   72.06                67