Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 5 5.  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)
 05/06/2017   06:08:08   ( -70.61, -94.99) 05/06/2017   06:06:58  ( -70.65, -96.29)   48.41                70
 05/06/2017   06:57:43   (  70.07,  71.87) 05/06/2017   06:57:33  (  70.07,  71.94)    2.79                10
 05/06/2017   07:47:13   ( -69.96,-120.65) 05/06/2017   07:48:15  ( -69.98,-120.60)    2.43                62
 05/08/2017   22:24:46   ( -70.18,  20.26) 05/08/2017   22:23:43  ( -70.15,  20.27)    3.26                63
 05/08/2017   23:14:14   (  70.02,-172.32) 05/08/2017   23:14:27  (  70.04,-172.25)    3.43                13
 05/09/2017   00:03:51   ( -69.53,  -5.37) 05/09/2017   00:05:01  ( -69.53,  -4.17)   46.77                70
 05/11/2017   14:41:18   ( -70.13, 136.06) 05/11/2017   14:40:38  ( -70.13, 136.08)    0.70                40
 05/11/2017   15:30:45   (  70.02, -56.45) 05/11/2017   15:31:22  (  70.02, -56.44)    0.78                37
 05/14/2017   06:08:11   (  70.66,  85.09) 05/14/2017   06:07:01  (  70.73,  83.58)   55.77                70
 05/14/2017   06:57:49   ( -70.12,-108.07) 05/14/2017   06:57:33  ( -70.11,-108.12)    2.61                16
 05/14/2017   07:47:16   (  70.01,  59.41) 05/14/2017   07:48:17  (  69.99,  59.36)    2.81                61
 05/16/2017   22:24:51   (  70.15,-159.78) 05/16/2017   22:23:46  (  70.18,-159.78)    3.07                65
 05/16/2017   23:14:21   ( -70.06,   7.71) 05/16/2017   23:14:27  ( -70.03,   7.77)    3.28                 6
 05/17/2017   00:03:55   (  69.55, 174.66) 05/17/2017   00:05:04  (  69.55, 175.79)   44.07                69