Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 9 23.  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)
 09/25/2019   06:58:44   ( -70.11,-108.13) 09/25/2019   06:58:08  ( -70.10,-108.18)    1.77                36
 09/25/2019   07:48:11   (  70.00,  59.36) 09/25/2019   07:48:52  (  69.99,  59.30)    2.49                41
 09/27/2019   22:25:39   (  70.48,-159.35) 09/27/2019   22:24:28  (  70.57,-160.45)   42.23                71
 09/27/2019   23:15:15   ( -70.05,   7.66) 09/27/2019   23:15:02  ( -70.05,   7.68)    1.00                13
 09/28/2019   00:04:42   (  69.94, 175.15) 09/28/2019   00:05:46  (  69.94, 175.15)    0.78                64
 09/30/2019   14:42:15   (  70.14, -43.97) 09/30/2019   14:41:15  (  70.15, -44.02)    2.69                60
 09/30/2019   15:31:45   ( -70.04, 123.52) 09/30/2019   15:31:57  ( -70.05, 123.45)    3.36                12
 09/30/2019   16:21:22   (  69.37, -69.74) 09/30/2019   16:22:30  (  69.36, -68.22)   59.66                68
 10/03/2019   06:58:45   (  70.12,  71.89) 10/03/2019   06:58:09  (  70.11,  71.83)    2.75                36
 10/03/2019   07:48:15   ( -70.02,-120.62) 10/03/2019   07:48:51  ( -70.01,-120.70)    3.29                36
 10/05/2019   22:25:38   ( -70.71,  20.98) 10/05/2019   22:24:29  ( -70.74,  19.29)   62.27                69
 10/05/2019   23:15:15   (  70.05,-172.34) 10/05/2019   23:15:02  (  70.06,-172.33)    1.92                13
 10/06/2019   00:04:45   ( -69.95,  -4.85) 10/06/2019   00:05:44  ( -69.96,  -4.85)    1.54                59