Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 5 10.  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)
 05/11/2015   19:06:32   (  70.70,-109.71) 05/11/2015   19:05:54  (  70.69,-109.70)    0.98                38
 05/11/2015   19:56:02   ( -70.58,  57.74) 05/11/2015   19:56:35  ( -70.56,  57.83)    3.70                33
 05/14/2015   10:33:25   ( -71.25,-160.63) 05/14/2015   10:32:15  ( -71.33,-162.31)   60.68                70
 05/14/2015   11:23:01   (  70.66,   6.10) 05/14/2015   11:22:49  (  70.68,   6.08)    2.24                12
 05/14/2015   12:12:31   ( -70.55, 173.57) 05/14/2015   12:13:30  ( -70.55, 173.61)    1.57                59
 05/17/2015   02:50:03   ( -70.73, -45.58) 05/17/2015   02:48:58  ( -70.75, -45.57)    2.41                65
 05/17/2015   03:39:30   (  70.62, 121.91) 05/17/2015   03:39:42  (  70.63, 121.93)    0.68                12
 05/17/2015   04:29:06   ( -70.19, -71.09) 05/17/2015   04:30:17  ( -70.18, -70.04)   39.57                71
 05/19/2015   19:06:34   ( -70.69,  70.23) 05/19/2015   19:05:52  ( -70.70,  70.27)    1.62                42
 05/19/2015   19:56:01   (  70.59,-122.28) 05/19/2015   19:56:36  (  70.58,-122.23)    2.11                35
 05/22/2015   10:33:25   (  71.36,  19.50) 05/22/2015   10:32:17  (  71.42,  17.49)   71.59                68
 05/22/2015   11:23:06   ( -70.65,-173.96) 05/22/2015   11:22:46  ( -70.66,-173.90)    2.46                20
 05/22/2015   12:12:33   (  70.55,  -6.48) 05/22/2015   12:13:30  (  70.54,  -6.40)    3.03                57