Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 9 19.  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)
 09/19/2019   22:25:38   ( -70.49,  20.67) 09/19/2019   22:24:27  ( -70.53,  19.60)   40.08                71
 09/19/2019   23:15:11   (  70.06,-172.31) 09/19/2019   23:15:04  (  70.06,-172.34)    1.20                 7
 09/20/2019   00:04:41   ( -69.95,  -4.83) 09/20/2019   00:05:46  ( -69.96,  -4.88)    2.27                65
 09/22/2019   14:42:15   ( -70.11, 136.00) 09/22/2019   14:41:14  ( -70.11, 136.04)    1.64                61
 09/22/2019   15:31:42   (  70.00, -56.52) 09/22/2019   15:31:58  (  70.00, -56.49)    1.05                16
 09/22/2019   16:21:21   ( -69.40, 110.30) 09/22/2019   16:22:30  ( -69.38, 111.75)   57.01                69
 09/25/2019   06:58:45   ( -70.11,-108.13) 09/25/2019   06:58:09  ( -70.11,-108.18)    2.09                36
 09/25/2019   07:48:12   (  70.00,  59.36) 09/25/2019   07:48:53  (  70.01,  59.28)    2.91                41
 09/27/2019   22:25:38   (  70.53,-159.27) 09/27/2019   22:24:28  (  70.58,-160.47)   44.95                70
 09/27/2019   23:15:15   ( -70.05,   7.66) 09/27/2019   23:15:02  ( -70.06,   7.67)    1.17                13
 09/28/2019   00:04:42   (  69.93, 175.15) 09/28/2019   00:05:46  (  69.96, 175.13)    2.48                64
 09/30/2019   14:42:15   (  70.14, -43.96) 09/30/2019   14:41:14  (  70.11, -43.96)    2.68                61
 09/30/2019   15:31:45   ( -70.04, 123.53) 09/30/2019   15:31:56  ( -70.01, 123.52)    3.32                11
 09/30/2019   16:21:22   (  69.37, -69.74) 09/30/2019   16:22:30  (  69.38, -68.24)   58.82                68