Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 11 16.  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)
 11/16/2017   22:25:40   ( -70.16,  20.15) 11/16/2017   22:24:28  ( -70.17,  20.16)    1.25                72
 11/16/2017   23:15:07   (  70.06,-172.35) 11/16/2017   23:15:12  (  70.05,-172.35)    0.75                 5
 11/17/2017   00:04:39   ( -69.83,  -5.03) 11/17/2017   00:05:51  ( -69.80,  -4.66)   14.45                72
 11/19/2017   14:42:09   ( -70.11, 135.97) 11/19/2017   14:41:22  ( -70.13, 135.98)    2.69                47
 11/19/2017   15:31:36   (  70.01, -56.54) 11/19/2017   15:32:06  (  70.02, -56.54)    1.69                30
 11/22/2017   06:08:55   (  70.88,  85.36) 11/22/2017   06:07:47  (  70.88,  83.24)   77.16                68
 11/22/2017   06:58:37   ( -70.11,-108.15) 11/22/2017   06:58:16  ( -70.10,-108.20)    2.30                21
 11/22/2017   07:48:04   (  70.01,  59.35) 11/22/2017   07:49:00  (  70.00,  59.27)    2.93                56
 11/24/2017   22:25:36   (  70.16,-159.83) 11/24/2017   22:24:28  (  70.18,-159.86)    2.17                68
 11/24/2017   23:15:06   ( -70.05,   7.65) 11/24/2017   23:15:10  ( -70.08,   7.61)    2.86                 4
 11/25/2017   00:04:37   (  69.67, 174.76) 11/25/2017   00:05:48  (  69.71, 175.47)   27.93                71
 11/27/2017   14:42:04   (  70.09, -44.04) 11/27/2017   14:41:20  (  70.10, -43.97)    2.80                44
 11/27/2017   15:31:34   ( -69.99, 123.45) 11/27/2017   15:32:02  ( -70.00, 123.50)    2.27                28