Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 10 9.  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)
 10/11/2019   06:58:48   ( -70.10,-108.16) 10/11/2019   06:58:05  ( -70.10,-108.08)    2.83                43
 10/11/2019   07:48:15   (  70.00,  59.34) 10/11/2019   07:48:49  (  69.99,  59.40)    2.47                34
 10/13/2019   22:25:38   (  70.73,-158.99) 10/13/2019   22:24:29  (  70.79,-160.73)   64.47                69
 10/13/2019   23:15:18   ( -70.07,   7.68) 10/13/2019   23:14:59  ( -70.07,   7.73)    1.81                19
 10/14/2019   00:04:45   (  69.97, 175.18) 10/14/2019   00:05:43  (  69.96, 175.21)    1.50                58
 10/16/2019   14:42:17   (  70.15, -43.96) 10/16/2019   14:41:10  (  70.14, -43.92)    2.03                67
 10/16/2019   15:31:47   ( -70.04, 123.52) 10/16/2019   15:31:52  ( -70.04, 123.54)    0.87                 5
 10/16/2019   16:21:20   (  69.60, -69.45) 10/16/2019   16:22:30  (  69.61, -68.51)   36.16                70
 10/19/2019   06:58:47   (  70.11,  71.86) 10/19/2019   06:58:04  (  70.11,  71.88)    0.69                43
 10/19/2019   07:48:17   ( -70.01,-120.65) 10/19/2019   07:48:46  ( -70.02,-120.65)    1.15                29
 10/21/2019   22:25:36   ( -70.95,  21.34) 10/21/2019   22:24:29  ( -70.98,  18.95)   86.97                67
 10/21/2019   23:15:17   (  70.07,-172.31) 10/21/2019   23:14:58  (  70.09,-172.32)    1.87                19
 10/22/2019   00:04:47   ( -69.97,  -4.83) 10/22/2019   00:05:40  ( -69.99,  -4.85)    2.85                53