Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 9 10.  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)
 09/11/2019   22:25:37   (  70.32,-159.57) 09/11/2019   22:24:25  (  70.35,-160.13)   21.13                72
 09/11/2019   23:15:10   ( -70.05,   7.68) 09/11/2019   23:15:03  ( -70.05,   7.67)    0.49                 7
 09/12/2019   00:04:37   (  69.94, 175.17) 09/12/2019   00:05:47  (  69.94, 175.14)    1.04                70
 09/14/2019   14:42:11   (  70.14, -43.95) 09/14/2019   14:41:16  (  70.14, -44.01)    2.54                55
 09/14/2019   15:31:42   ( -69.99, 123.46) 09/14/2019   15:31:57  ( -69.98, 123.54)    2.87                15
 09/14/2019   16:21:21   (  69.21, -69.94) 09/14/2019   16:22:28  (  69.19, -67.99)   77.20                67
 09/17/2019   06:58:43   (  70.10,  71.86) 09/17/2019   06:58:10  (  70.08,  71.85)    1.86                33
 09/17/2019   07:48:13   ( -70.00,-120.65) 09/17/2019   07:48:52  ( -69.98,-120.68)    2.40                39
 09/19/2019   22:25:39   ( -70.62,  20.85) 09/19/2019   22:24:29  ( -70.65,  19.42)   52.85                70
 09/19/2019   23:15:14   (  70.07,-172.31) 09/19/2019   23:15:04  (  70.08,-172.37)    2.53                10
 09/20/2019   00:04:44   ( -69.97,  -4.82) 09/20/2019   00:05:46  ( -69.97,  -4.90)    2.98                62
 09/22/2019   14:42:20   ( -70.11, 135.98) 09/22/2019   14:41:14  ( -70.12, 136.02)    1.82                66
 09/22/2019   15:31:47   (  70.00, -56.54) 09/22/2019   15:31:58  (  70.02, -56.52)    2.77                11
 09/22/2019   16:21:23   ( -69.57, 110.51) 09/22/2019   16:22:33  ( -69.55, 111.51)   39.03                70