Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 9 1.  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)
 09/03/2018   13:51:48   (  70.85, -30.52) 09/03/2018   13:50:40  (  70.91, -32.53)   73.55                68
 09/03/2018   14:41:29   ( -70.13, 136.05) 09/03/2018   14:41:09  ( -70.13, 136.05)    0.55                20
 09/03/2018   15:30:56   (  70.03, -56.44) 09/03/2018   15:31:53  (  70.02, -56.48)    1.64                57
 09/06/2018   06:08:30   (  70.19,  84.38) 09/06/2018   06:07:23  (  70.20,  84.40)    1.28                67
 09/06/2018   06:58:00   ( -70.08,-108.14) 09/06/2018   06:58:05  ( -70.09,-108.12)    1.67                 5
 09/06/2018   07:47:32   (  69.70,  58.97) 09/06/2018   07:48:43  (  69.67,  59.82)   32.95                71
 09/08/2018   22:25:00   (  70.18,-159.75) 09/08/2018   22:24:19  (  70.16,-159.78)    2.03                41
 09/08/2018   23:14:30   ( -70.07,   7.73) 09/08/2018   23:15:01  ( -70.06,   7.70)    2.24                31
 09/11/2018   13:51:52   ( -70.88, 149.52) 09/11/2018   13:50:44  ( -70.91, 147.47)   74.74                68
 09/11/2018   14:41:31   (  70.11, -43.97) 09/11/2018   14:41:15  (  70.13, -43.97)    2.33                16
 09/11/2018   15:31:01   ( -70.01, 123.52) 09/11/2018   15:31:57  ( -70.02, 123.52)    1.53                56
 09/14/2018   06:08:33   ( -70.21, -95.59) 09/14/2018   06:07:26  ( -70.20, -95.61)    1.48                67
 09/14/2018   06:58:00   (  70.10,  71.89) 09/14/2018   06:58:10  (  70.10,  71.85)    1.94                10
 09/14/2018   07:47:35   ( -69.72,-121.00) 09/14/2018   07:48:46  ( -69.68,-120.20)   31.36                71