Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 5 9.  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)
 05/11/2016   05:18:44   ( -71.18, -81.78) 05/11/2016   05:17:38  ( -71.20, -84.52)   98.31                66
 05/11/2016   06:08:27   (  70.20,  84.38) 05/11/2016   06:08:05  (  70.19,  84.43)    2.13                22
 05/11/2016   06:57:57   ( -70.09,-108.15) 05/11/2016   06:58:47  ( -70.11,-108.12)    2.68                50
 05/13/2016   21:35:27   ( -70.31,  32.79) 05/13/2016   21:34:16  ( -70.30,  32.74)    2.74                71
 05/13/2016   22:24:55   (  70.15,-159.80) 05/13/2016   22:25:00  (  70.17,-159.77)    3.02                 5
 05/13/2016   23:14:27   ( -69.93,   7.52) 05/13/2016   23:15:39  ( -69.93,   7.92)   15.05                72
 05/16/2016   13:51:55   ( -70.26, 148.60) 05/16/2016   13:51:10  ( -70.22, 148.61)    3.47                45
 05/16/2016   14:41:22   (  70.14, -43.91) 05/16/2016   14:41:55  (  70.16, -43.97)    2.71                33
 05/19/2016   05:18:43   (  70.84,  97.74) 05/19/2016   05:17:34  (  70.87,  96.02)   62.75                69
 05/19/2016   06:08:23   ( -70.19, -95.60) 05/19/2016   06:08:05  ( -70.21, -95.59)    1.89                18
 05/19/2016   06:57:50   (  70.08,  71.88) 05/19/2016   06:58:49  (  70.09,  71.90)    1.61                59
 05/21/2016   21:35:19   (  70.27,-147.21) 05/21/2016   21:34:17  (  70.28,-147.26)    2.04                62
 05/21/2016   22:24:49   ( -70.17,  20.27) 05/21/2016   22:24:58  ( -70.14,  20.27)    3.56                 9
 05/21/2016   23:14:25   (  69.56,-172.94) 05/21/2016   23:15:34  (  69.60,-171.61)   51.86                69