Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 25.  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)
 02/26/2019   14:41:37   ( -70.13, 135.97) 02/26/2019   14:40:51  ( -70.14, 136.00)    1.50                46
 02/26/2019   15:31:04   (  70.02, -56.53) 02/26/2019   15:31:35  (  70.01, -56.50)    1.59                31
 03/01/2019   06:08:24   (  70.85,  85.29) 03/01/2019   06:07:16  (  70.91,  83.22)   75.89                68
 03/01/2019   06:58:06   ( -70.08,-108.21) 03/01/2019   06:57:44  ( -70.10,-108.16)    2.14                22
 03/01/2019   07:47:33   (  69.97,  59.28) 03/01/2019   07:48:28  (  69.97,  59.33)    1.95                55
 03/03/2019   22:25:04   (  70.19,-159.80) 03/03/2019   22:23:56  (  70.19,-159.85)    2.03                68
 03/03/2019   23:14:35   ( -70.03,   7.60) 03/03/2019   23:14:37  ( -70.06,   7.67)    3.55                 2
 03/04/2019   00:04:06   (  69.70, 174.79) 03/04/2019   00:05:17  (  69.72, 175.48)   26.82                71
 03/06/2019   14:41:32   (  70.14, -44.00) 03/06/2019   14:40:48  (  70.16, -44.02)    2.26                44
 03/06/2019   15:31:02   ( -70.03, 123.49) 03/06/2019   15:31:29  ( -70.02, 123.50)    1.72                27
 03/09/2019   06:08:19   ( -71.01, -94.47) 03/09/2019   06:07:12  ( -71.03, -96.96)   90.26                67
 03/09/2019   06:58:00   (  70.13,  71.87) 03/09/2019   06:57:41  (  70.13,  71.80)    2.78                19
 03/09/2019   07:47:31   ( -69.97,-120.72) 03/09/2019   07:48:22  ( -69.99,-120.67)    2.35                51