Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 14.  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)
 03/16/2020   14:41:45   ( -70.20, 136.04) 03/16/2020   14:40:32  ( -70.24, 135.88)    7.57                73
 03/16/2020   15:31:13   (  70.04, -56.54) 03/16/2020   15:31:15  (  70.06, -56.54)    2.48                 2
 03/16/2020   16:20:43   ( -69.93, 110.94) 03/16/2020   16:21:56  ( -69.93, 110.98)    1.63                73
 03/19/2020   06:58:14   ( -70.13,-108.18) 03/19/2020   06:57:26  ( -70.14,-108.21)    2.00                48
 03/19/2020   07:47:41   (  70.02,  59.31) 03/19/2020   07:48:10  (  70.02,  59.28)    1.19                29
 03/21/2020   22:25:00   (  70.87,-158.83) 03/21/2020   22:23:52  (  70.88,-160.93)   76.75                68
 03/21/2020   23:14:42   ( -70.11,   7.68) 03/21/2020   23:14:21  ( -70.11,   7.62)    2.53                21
 03/22/2020   00:04:09   (  70.00, 175.16) 03/22/2020   00:05:05  (  69.99, 175.11)    2.60                56
 03/24/2020   14:41:40   (  70.14, -44.04) 03/24/2020   14:40:33  (  70.16, -44.02)    2.77                67
 03/24/2020   15:31:10   ( -70.04, 123.45) 03/24/2020   15:31:14  ( -70.02, 123.52)    3.46                 4
 03/24/2020   16:20:42   (  69.64, -69.45) 03/24/2020   16:21:53  (  69.64, -68.60)   32.69                71
 03/27/2020   06:58:08   (  70.11,  71.80) 03/27/2020   06:57:28  (  70.13,  71.80)    2.43                40
 03/27/2020   07:47:38   ( -70.01,-120.70) 03/27/2020   07:48:10  ( -70.04,-120.74)    3.00                32