Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 4 24.  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)
 04/25/2015   19:06:48   (  70.70,-109.72) 04/25/2015   19:06:03  (  70.70,-109.68)    1.29                45
 04/25/2015   19:56:16   ( -70.64,  57.82) 04/25/2015   19:56:44  ( -70.62,  57.77)    2.78                28
 04/28/2015   11:23:14   (  70.67,   6.11) 04/28/2015   11:22:51  (  70.66,   6.17)    2.69                23
 04/28/2015   12:12:44   ( -70.55, 173.57) 04/28/2015   12:13:33  ( -70.57, 173.63)    3.06                49
 05/01/2015   02:50:12   ( -70.81, -45.43) 05/01/2015   02:48:59  ( -70.89, -45.73)   13.91                73
 05/01/2015   03:39:40   (  70.65, 121.97) 05/01/2015   03:39:41  (  70.67, 121.93)    2.88                 1
 05/01/2015   04:29:10   ( -70.54, -70.57) 05/01/2015   04:30:22  ( -70.54, -70.53)    1.29                72
 05/03/2015   19:06:39   ( -70.71,  70.29) 05/03/2015   19:05:45  ( -70.71,  70.35)    2.04                54
 05/03/2015   19:56:06   (  70.60,-122.22) 05/03/2015   19:56:29  (  70.60,-122.17)    2.08                23
 05/03/2015   20:45:50   ( -69.72,  44.16) 05/03/2015   20:46:56  ( -69.72,  46.50)   90.35                66
 05/06/2015   11:23:04   ( -70.67,-173.86) 05/06/2015   11:22:34  ( -70.69,-173.84)    2.19                30
 05/06/2015   12:12:30   (  70.56,  -6.38) 05/06/2015   12:13:17  (  70.59,  -6.36)    2.57                47