Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 12 30.  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)
 01/01/2015   02:01:34   ( -70.78, -33.02) 01/01/2015   02:01:05  ( -70.79, -33.03)    2.05                29
 01/01/2015   02:51:01   (  70.68, 134.47) 01/01/2015   02:51:49  (  70.67, 134.48)    1.06                48
 01/03/2015   17:28:28   (  70.93, -84.52) 01/03/2015   17:27:15  (  71.00, -84.91)   15.86                73
 01/03/2015   18:17:59   ( -70.76,  82.85) 01/03/2015   18:17:54  ( -70.77,  82.79)    2.35                 5
 01/03/2015   19:07:26   (  70.66,-109.66) 01/03/2015   19:08:38  (  70.64,-109.70)    2.51                72
 01/06/2015   09:44:55   (  70.83,  31.21) 01/06/2015   09:44:02  (  70.82,  31.16)    2.28                53
 01/06/2015   10:34:25   ( -70.72,-161.33) 01/06/2015   10:34:43  ( -70.69,-161.31)    2.47                18
 01/06/2015   11:24:07   (  69.79,   4.97) 01/06/2015   11:25:12  (  69.78,   7.41)   93.58                65
 01/09/2015   02:01:21   (  70.75, 146.98) 01/09/2015   02:00:51  (  70.75, 147.05)    2.43                30
 01/09/2015   02:50:50   ( -70.69, -45.47) 01/09/2015   02:51:33  ( -70.68, -45.51)    1.83                43
 01/11/2015   17:28:14   ( -71.06,  95.73) 01/11/2015   17:27:02  ( -71.12,  94.90)   30.23                72
 01/11/2015   18:17:45   (  70.74, -97.13) 01/11/2015   18:17:41  (  70.74, -97.16)    1.14                 4
 01/11/2015   19:07:15   ( -70.63,  70.33) 01/11/2015   19:08:22  ( -70.61,  70.37)    2.26                67