Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 2 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)
 02/16/2020   06:58:26   ( -70.11,-108.17) 02/16/2020   06:57:17  ( -70.15,-108.16)    3.57                69
 02/16/2020   07:47:53   (  70.01,  59.33) 02/16/2020   07:48:01  (  70.03,  59.33)    1.55                 8
 02/16/2020   08:37:27   ( -69.68,-133.50) 02/16/2020   08:38:38  ( -69.68,-132.83)   25.81                71
 02/18/2020   23:14:55   ( -70.09,   7.67) 02/18/2020   23:14:12  ( -70.08,   7.70)    1.20                43
 02/19/2020   00:04:22   (  69.98, 175.16) 02/19/2020   00:04:56  (  69.96, 175.19)    1.96                34
 02/21/2020   14:41:46   (  70.60, -43.34) 02/21/2020   14:40:36  (  70.69, -44.81)   55.33                70
 02/21/2020   15:31:24   ( -70.05, 123.50) 02/21/2020   15:31:08  ( -70.08, 123.48)    2.65                16
 02/21/2020   16:20:51   (  69.94, -69.01) 02/21/2020   16:21:52  (  69.96, -69.04)    1.97                61
 02/24/2020   06:58:23   (  70.12,  71.84) 02/24/2020   06:57:21  (  70.11,  71.88)    1.79                62
 02/24/2020   07:47:53   ( -70.01,-120.68) 02/24/2020   07:48:03  ( -70.02,-120.67)    0.37                10
 02/24/2020   08:37:29   (  69.41,  46.14) 02/24/2020   08:38:38  (  69.42,  47.52)   54.00                69
 02/26/2020   23:14:51   (  70.07,-172.35) 02/26/2020   23:14:15  (  70.05,-172.27)    3.50                36
 02/27/2020   00:04:21   ( -69.97,  -4.86) 02/27/2020   00:04:57  ( -69.96,  -4.81)    2.08                36
 02/29/2020   14:41:46   ( -70.52, 136.54) 02/29/2020   14:40:35  ( -70.58, 135.35)   44.49                71
 02/29/2020   15:31:19   (  70.08, -56.46) 02/29/2020   15:31:11  (  70.05, -56.51)    3.39                 8
 02/29/2020   16:20:50   ( -69.92, 110.96) 02/29/2020   16:21:52  ( -69.91, 111.03)    3.65                62