Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 7.  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)
 01/09/2019   14:41:47   ( -70.12, 135.99) 01/09/2019   14:41:11  ( -70.13, 135.96)    1.95                36
 01/09/2019   15:31:14   (  70.01, -56.52) 01/09/2019   15:31:55  (  70.03, -56.57)    2.43                41
 01/12/2019   06:08:41   (  70.48,  84.76) 01/12/2019   06:07:30  (  70.58,  83.72)   40.11                71
 01/12/2019   06:58:16   ( -70.10,-108.16) 01/12/2019   06:58:05  ( -70.11,-108.23)    2.75                11
 01/12/2019   07:47:44   (  69.94,  59.26) 01/12/2019   07:48:48  (  69.95,  59.32)    2.87                64
 01/14/2019   22:25:16   (  70.13,-159.87) 01/14/2019   22:24:16  (  70.13,-159.81)    2.01                60
 01/14/2019   23:14:45   ( -70.03,   7.62) 01/14/2019   23:14:57  ( -70.03,   7.66)    1.58                12
 01/15/2019   00:04:22   (  69.36, 174.36) 01/15/2019   00:05:30  (  69.34, 175.98)   63.66                68
 01/17/2019   14:41:44   (  70.11, -44.02) 01/17/2019   14:41:09  (  70.12, -44.01)    1.06                35
 01/17/2019   15:31:14   ( -70.01, 123.47) 01/17/2019   15:31:51  ( -70.01, 123.46)    0.68                37
 01/20/2019   06:08:38   ( -70.63, -95.01) 01/20/2019   06:07:28  ( -70.67, -96.42)   52.11                70
 01/20/2019   06:58:13   (  70.08,  71.82) 01/20/2019   06:58:03  (  70.10,  71.78)    2.73                10
 01/20/2019   07:47:43   ( -69.98,-120.68) 01/20/2019   07:48:45  ( -69.99,-120.74)    2.51                62