Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 5 28.  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)
 05/30/2018   13:51:13   (  70.29, -31.50) 05/30/2018   13:50:04  (  70.28, -31.50)    1.00                69
 05/30/2018   14:40:43   ( -70.17, 135.97) 05/30/2018   14:40:46  ( -70.20, 135.95)    2.68                 3
 05/30/2018   15:30:14   (  69.85, -56.84) 05/30/2018   15:31:25  (  69.81, -56.16)   26.45                71
 06/02/2018   06:07:40   (  70.27,  84.36) 06/02/2018   06:06:59  (  70.27,  84.28)    2.86                41
 06/02/2018   06:57:10   ( -70.16,-108.17) 06/02/2018   06:57:40  ( -70.14,-108.19)    2.64                30
 06/04/2018   21:34:30   ( -70.90,  33.54) 06/04/2018   21:33:21  ( -70.96,  31.63)   69.41                69
 06/04/2018   22:24:08   (  70.19,-159.87) 06/04/2018   22:23:53  (  70.22,-159.86)    2.78                15
 06/04/2018   23:13:38   ( -70.08,   7.61) 06/04/2018   23:14:34  ( -70.08,   7.68)    2.91                56
 06/07/2018   13:51:07   ( -70.28, 148.49) 06/07/2018   13:50:02  ( -70.28, 148.52)    1.22                65
 06/07/2018   14:40:34   (  70.17, -44.03) 06/07/2018   14:40:46  (  70.16, -43.99)    1.52                12
 06/07/2018   15:30:11   ( -69.68, 122.92) 06/07/2018   15:31:21  ( -69.70, 124.01)   42.35                70
 06/10/2018   06:07:34   ( -70.25, -95.67) 06/10/2018   06:06:57  ( -70.27, -95.70)    2.63                37
 06/10/2018   06:57:01   (  70.13,  71.80) 06/10/2018   06:57:41  (  70.16,  71.78)    2.84                40