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,-160.12)   20.96                72
 09/11/2019   23:15:10   ( -70.05,   7.68) 09/11/2019   23:15:03  ( -70.04,   7.67)    0.65                 7
 09/12/2019   00:04:37   (  69.94, 175.17) 09/12/2019   00:05:47  (  69.93, 175.15)    0.96                70
 09/14/2019   14:42:11   (  70.14, -43.96) 09/14/2019   14:41:16  (  70.13, -44.01)    1.98                55
 09/14/2019   15:31:41   ( -70.03, 123.53) 09/14/2019   15:31:58  ( -70.03, 123.46)    2.65                17
 09/14/2019   16:21:21   (  69.20, -69.95) 09/14/2019   16:22:28  (  69.18, -67.99)   77.63                67
 09/17/2019   06:58:43   (  70.08,  71.84) 09/17/2019   06:58:10  (  70.08,  71.85)    0.73                33
 09/17/2019   07:48:13   ( -69.98,-120.67) 09/17/2019   07:48:52  ( -69.97,-120.67)    0.85                39
 09/19/2019   22:25:39   ( -70.59,  20.81) 09/19/2019   22:24:29  ( -70.64,  19.42)   51.62                70
 09/19/2019   23:15:14   (  70.04,-172.35) 09/19/2019   23:15:03  (  70.02,-172.29)    3.11                11
 09/20/2019   00:04:44   ( -69.94,  -4.85) 09/20/2019   00:05:46  ( -69.97,  -4.89)    3.16                62
 09/22/2019   14:42:19   ( -70.13, 136.01) 09/22/2019   14:41:14  ( -70.12, 136.03)    1.81                65
 09/22/2019   15:31:46   (  70.02, -56.51) 09/22/2019   15:31:58  (  70.02, -56.51)    0.40                12
 09/22/2019   16:21:23   ( -69.53, 110.46) 09/22/2019   16:22:33  ( -69.54, 111.52)   41.03                70