Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 10 28.  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)
 10/29/2017   06:09:00   ( -70.98, -94.50) 10/29/2017   06:07:53  ( -71.04, -96.99)   90.36                67
 10/29/2017   06:58:41   (  70.12,  71.86) 10/29/2017   06:58:22  (  70.13,  71.78)    2.99                19
 10/29/2017   07:48:11   ( -70.01,-120.67) 10/29/2017   07:49:03  ( -70.00,-120.70)    1.24                52
 10/31/2017   22:25:44   ( -70.16,  20.15) 10/31/2017   22:24:31  ( -70.15,  20.21)    2.36                73
 10/31/2017   23:15:11   (  70.06,-172.35) 10/31/2017   23:15:16  (  70.08,-172.38)    2.87                 5
 11/01/2017   00:04:43   ( -69.84,  -5.03) 11/01/2017   00:05:55  ( -69.84,  -4.70)   12.70                72
 11/03/2017   14:42:13   ( -70.15, 136.02) 11/03/2017   14:41:26  ( -70.16, 135.97)    2.06                47
 11/03/2017   15:31:40   (  70.05, -56.49) 11/03/2017   15:32:10  (  70.04, -56.54)    2.28                30
 11/06/2017   06:08:59   (  70.90,  85.38) 11/06/2017   06:07:51  (  70.94,  83.16)   80.87                68
 11/06/2017   06:58:42   ( -70.08,-108.20) 11/06/2017   06:58:19  ( -70.12,-108.20)    3.39                23
 11/06/2017   07:48:09   (  69.97,  59.29) 11/06/2017   07:49:03  (  70.00,  59.28)    2.97                54
 11/08/2017   22:25:41   (  70.17,-159.83) 11/08/2017   22:24:31  (  70.17,-159.83)    0.32                70
 11/08/2017   23:15:11   ( -70.06,   7.65) 11/08/2017   23:15:13  ( -70.08,   7.63)    1.48                 2
 11/09/2017   00:04:42   (  69.73, 174.83) 11/09/2017   00:05:53  (  69.75, 175.42)   22.79                71