Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 3 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)
 03/30/2015   02:50:28   ( -70.72, -45.54) 03/30/2015   02:49:50  ( -70.69, -45.50)    3.13                38
 03/30/2015   03:39:55   (  70.62, 121.96) 03/30/2015   03:40:34  (  70.59, 121.97)    3.47                39
 04/01/2015   18:17:18   (  71.17, -96.58) 04/01/2015   18:16:08  (  71.24, -97.96)   49.72                70
 04/01/2015   19:06:55   ( -70.67,  70.28) 04/01/2015   19:06:41  ( -70.67,  70.31)    1.32                14
 04/01/2015   19:56:22   (  70.57,-122.23) 04/01/2015   19:57:25  (  70.57,-122.22)    0.62                63
 04/04/2015   10:33:50   (  70.77,  18.68) 04/04/2015   10:32:49  (  70.75,  18.63)    2.62                61
 04/04/2015   11:23:20   ( -70.65,-173.86) 04/04/2015   11:23:31  ( -70.65,-173.89)    1.00                11
 04/04/2015   12:12:56   (  70.06,  -7.09) 04/04/2015   12:14:05  (  70.03,  -5.60)   56.63                69
 04/07/2015   02:50:16   (  70.73, 134.50) 04/07/2015   02:49:39  (  70.70, 134.50)    3.25                37
 04/07/2015   03:39:46   ( -70.61, -58.04) 04/07/2015   03:40:21  ( -70.59, -58.02)    2.07                35
 04/09/2015   18:17:06   ( -71.25,  83.56) 04/09/2015   18:15:56  ( -71.32,  81.92)   58.96                70
 04/09/2015   19:06:42   (  70.66,-109.72) 04/09/2015   19:06:29  (  70.65,-109.65)    2.56                13
 04/09/2015   19:56:11   ( -70.60,  57.83) 04/09/2015   19:57:12  ( -70.60,  57.75)    2.97                61