Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 5 6.  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)
 05/08/2017   22:24:47   ( -70.18,  20.26) 05/08/2017   22:23:44  ( -70.16,  20.26)    2.34                63
 05/08/2017   23:14:15   (  70.02,-172.32) 05/08/2017   23:14:28  (  70.05,-172.26)    3.39                13
 05/09/2017   00:03:52   ( -69.53,  -5.37) 05/09/2017   00:05:02  ( -69.53,  -4.18)   46.41                70
 05/11/2017   14:41:18   ( -70.14, 136.07) 05/11/2017   14:40:38  ( -70.13, 136.07)    0.55                40
 05/11/2017   15:30:45   (  70.03, -56.43) 05/11/2017   15:31:22  (  70.02, -56.45)    1.58                37
 05/14/2017   06:08:11   (  70.69,  85.13) 05/14/2017   06:07:01  (  70.73,  83.58)   56.86                70
 05/14/2017   06:57:50   ( -70.09,-108.12) 05/14/2017   06:57:33  ( -70.11,-108.12)    1.86                17
 05/14/2017   07:47:17   (  69.98,  59.37) 05/14/2017   07:48:17  (  70.00,  59.36)    1.42                60
 05/16/2017   22:24:51   (  70.20,-159.73) 05/16/2017   22:23:46  (  70.18,-159.77)    2.70                65
 05/16/2017   23:14:21   ( -70.10,   7.76) 05/16/2017   23:14:28  ( -70.09,   7.69)    3.14                 7
 05/17/2017   00:03:55   (  69.60, 174.72) 05/17/2017   00:05:05  (  69.60, 175.72)   38.89                70
 05/19/2017   14:41:23   (  70.14, -43.93) 05/19/2017   14:40:41  (  70.16, -43.97)    2.57                42
 05/19/2017   15:30:53   ( -70.04, 123.56) 05/19/2017   15:31:22  ( -70.01, 123.57)    3.41                29