Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 2 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)
 02/16/2020   06:58:27   ( -70.13,-108.15) 02/16/2020   06:57:17  ( -70.11,-108.10)    3.07                70
 02/16/2020   07:47:54   (  70.02,  59.34) 02/16/2020   07:48:02  (  70.04,  59.31)    2.32                 8
 02/16/2020   08:37:28   ( -69.69,-133.48) 02/16/2020   08:38:39  ( -69.69,-132.85)   24.54                71
 02/18/2020   23:14:56   ( -70.07,   7.64) 02/18/2020   23:14:12  ( -70.09,   7.68)    3.32                44
 02/19/2020   00:04:23   (  69.96, 175.14) 02/19/2020   00:04:56  (  69.98, 175.17)    2.23                33
 02/21/2020   14:41:46   (  70.67, -43.24) 02/21/2020   14:40:37  (  70.76, -44.92)   62.60                69
 02/21/2020   15:31:25   ( -70.07, 123.52) 02/21/2020   15:31:08  ( -70.09, 123.46)    2.92                17
 02/21/2020   16:20:52   (  69.96, -68.99) 02/21/2020   16:21:52  (  69.97, -69.06)    2.85                60
 02/24/2020   06:58:25   (  70.12,  71.84) 02/24/2020   06:57:21  (  70.12,  71.85)    0.65                64
 02/24/2020   07:47:55   ( -70.02,-120.68) 02/24/2020   07:48:03  ( -70.03,-120.68)    0.96                 8
 02/24/2020   08:37:29   (  69.52,  46.28) 02/24/2020   08:38:39  (  69.49,  47.42)   44.41                70
 02/26/2020   23:14:55   (  70.08,-172.36) 02/26/2020   23:14:16  (  70.07,-172.30)    2.41                39
 02/27/2020   00:04:25   ( -69.97,  -4.86) 02/27/2020   00:04:58  ( -69.97,  -4.83)    1.24                33