Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 20.  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)
 02/21/2019   06:08:27   ( -70.88, -94.66) 02/21/2019   06:07:19  ( -70.93, -96.84)   79.20                68
 02/21/2019   06:58:07   (  70.06,  71.78) 02/21/2019   06:57:49  (  70.08,  71.85)    2.98                18
 02/21/2019   07:47:36   ( -70.01,-120.67) 02/21/2019   07:48:31  ( -70.00,-120.72)    2.24                55
 02/23/2019   22:25:09   ( -70.15,  20.13) 02/23/2019   22:23:58  ( -70.16,  20.19)    2.65                71
 02/23/2019   23:14:36   (  70.04,-172.38) 02/23/2019   23:14:42  (  70.03,-172.31)    2.80                 6
 02/24/2019   00:04:09   ( -69.77,  -5.13) 02/24/2019   00:05:21  ( -69.79,  -4.64)   19.18                72
 02/26/2019   14:41:38   ( -70.12, 135.97) 02/26/2019   14:40:51  ( -70.11, 136.03)    2.74                47
 02/26/2019   15:31:05   (  70.01, -56.54) 02/26/2019   15:31:36  (  70.04, -56.55)    3.54                31
 03/01/2019   06:08:25   (  70.86,  85.30) 03/01/2019   06:07:17  (  70.94,  83.16)   78.45                68
 03/01/2019   06:58:07   ( -70.09,-108.19) 03/01/2019   06:57:45  ( -70.12,-108.21)    3.17                22
 03/01/2019   07:47:34   (  69.98,  59.29) 03/01/2019   07:48:29  (  70.00,  59.28)    2.37                55
 03/03/2019   22:25:05   (  70.17,-159.84) 03/03/2019   22:23:55  (  70.17,-159.82)    0.92                70
 03/03/2019   23:14:35   ( -70.06,   7.64) 03/03/2019   23:14:37  ( -70.08,   7.63)    2.04                 2
 03/04/2019   00:04:06   (  69.73, 174.82) 03/04/2019   00:05:17  (  69.75, 175.44)   23.70                71