Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 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)
 04/20/2019   22:24:49   (  70.23,-159.79) 04/20/2019   22:23:38  (  70.21,-159.82)    2.95                71
 04/20/2019   23:14:19   ( -70.12,   7.68) 04/20/2019   23:14:20  ( -70.11,   7.64)    1.73                 1
 04/21/2019   00:03:49   (  69.85, 174.95) 04/21/2019   00:05:01  (  69.84, 175.37)   16.11                72
 04/23/2019   14:41:17   (  70.17, -44.01) 04/23/2019   14:40:33  (  70.16, -43.97)    1.94                44
 04/23/2019   15:30:47   ( -70.06, 123.48) 04/23/2019   15:31:15  ( -70.06, 123.50)    0.89                28
 04/26/2019   06:08:07   ( -70.87, -94.73) 04/26/2019   06:06:58  ( -70.89, -96.69)   71.50                69
 04/26/2019   06:57:45   (  70.15,  71.85) 04/26/2019   06:57:30  (  70.16,  71.79)    2.43                15
 04/26/2019   07:47:15   ( -70.05,-120.66) 04/26/2019   07:48:12  ( -70.05,-120.74)    2.99                57
 04/28/2019   22:24:47   ( -70.20,  20.15) 04/28/2019   22:23:42  ( -70.21,  20.16)    1.08                65
 04/28/2019   23:14:14   (  70.08,-172.37) 04/28/2019   23:14:26  (  70.11,-172.37)    2.76                12
 04/29/2019   00:03:51   ( -69.60,  -5.41) 04/29/2019   00:05:01  ( -69.63,  -4.34)   41.42                70
 05/01/2019   14:41:15   ( -70.18, 136.01) 05/01/2019   14:40:38  ( -70.16, 136.01)    2.70                37
 05/01/2019   15:30:42   (  70.06, -56.52) 05/01/2019   15:31:22  (  70.06, -56.53)    0.51                40