Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 5 29.  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   (  70.28, -31.51) 05/30/2018   13:50:04  (  70.29, -31.52)    1.67                69
 05/30/2018   14:40:43   ( -70.16, 135.95) 05/30/2018   14:40:45  ( -70.16, 136.01)    2.18                 2
 05/30/2018   15:30:14   (  69.84, -56.86) 05/30/2018   15:31:25  (  69.82, -56.18)   26.13                71
 06/02/2018   06:07:40   (  70.26,  84.34) 06/02/2018   06:06:58  (  70.23,  84.34)    2.71                42
 06/02/2018   06:57:10   ( -70.14,-108.19) 06/02/2018   06:57:40  ( -70.15,-108.21)    0.79                30
 06/04/2018   21:34:30   ( -70.89,  33.51) 06/04/2018   21:33:21  ( -70.97,  31.61)   69.82                69
 06/04/2018   22:24:07   (  70.23,-159.82) 06/04/2018   22:23:53  (  70.23,-159.88)    2.32                14
 06/04/2018   23:13:38   ( -70.07,   7.58) 06/04/2018   23:14:34  ( -70.09,   7.66)    3.59                56
 06/07/2018   13:51:08   ( -70.26, 148.46) 06/07/2018   13:50:03  ( -70.29, 148.49)    3.35                65
 06/07/2018   14:40:35   (  70.15, -44.05) 06/07/2018   14:40:47  (  70.17, -44.02)    3.02                12
 06/07/2018   15:30:11   ( -69.72, 122.97) 06/07/2018   15:31:22  ( -69.72, 123.99)   39.24                71
 06/10/2018   06:07:34   ( -70.23, -95.70) 06/10/2018   06:06:56  ( -70.24, -95.65)    1.86                38
 06/10/2018   06:57:01   (  70.12,  71.78) 06/10/2018   06:57:40  (  70.12,  71.84)    2.17                39