Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 11.  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)
 03/13/2020   23:14:45   (  70.08,-172.35) 03/13/2020   23:14:20  (  70.07,-172.33)    1.48                25
 03/14/2020   00:04:15   ( -69.97,  -4.88) 03/14/2020   00:05:02  ( -69.99,  -4.89)    2.46                47
 03/16/2020   14:41:46   ( -70.18, 136.02) 03/16/2020   14:40:32  ( -70.21, 135.92)    4.74                74
 03/16/2020   15:31:14   (  70.02, -56.57) 03/16/2020   15:31:15  (  70.03, -56.50)    3.11                 1
 03/16/2020   16:20:43   ( -69.96, 110.99) 03/16/2020   16:21:57  ( -69.95, 110.94)    2.34                74
 03/19/2020   06:58:14   ( -70.12,-108.20) 03/19/2020   06:57:25  ( -70.12,-108.17)    1.15                49
 03/19/2020   07:47:41   (  70.00,  59.29) 03/19/2020   07:48:09  (  70.00,  59.32)    1.53                28
 03/21/2020   22:25:00   (  70.86,-158.85) 03/21/2020   22:23:52  (  70.90,-160.98)   77.68                68
 03/21/2020   23:14:42   ( -70.10,   7.66) 03/21/2020   23:14:20  ( -70.08,   7.66)    2.75                22
 03/22/2020   00:04:09   (  69.99, 175.15) 03/22/2020   00:05:04  (  69.96, 175.15)    2.76                55
 03/24/2020   14:41:41   (  70.13, -44.05) 03/24/2020   14:40:33  (  70.13, -43.98)    3.01                68
 03/24/2020   15:31:11   ( -70.03, 123.44) 03/24/2020   15:31:15  ( -70.04, 123.48)    2.06                 4
 03/24/2020   16:20:43   (  69.63, -69.46) 03/24/2020   16:21:53  (  69.61, -68.56)   34.83                70