Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 10 25.  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)
 10/26/2015   20:46:33   ( -70.47,  45.35) 10/26/2015   20:45:19  ( -70.53,  45.14)   10.27                74
 10/26/2015   21:36:01   (  70.32,-147.23) 10/26/2015   21:36:01  (  70.31,-147.20)    1.16                 0
 10/26/2015   22:25:31   ( -70.20,  20.24) 10/26/2015   22:26:43  ( -70.22,  20.25)    2.16                72
 10/29/2015   13:03:04   ( -70.41, 161.14) 10/29/2015   13:02:10  ( -70.41, 161.10)    1.70                54
 10/29/2015   13:52:31   (  70.31, -31.36) 10/29/2015   13:52:54  (  70.30, -31.42)    2.31                23
 10/29/2015   14:42:15   ( -69.43, 135.04) 10/29/2015   14:43:22  ( -69.47, 137.14)   81.81                67
 11/01/2015   05:19:34   ( -70.34, -83.09) 11/01/2015   05:19:01  ( -70.35, -83.04)    2.44                33
 11/01/2015   06:09:01   (  70.23,  84.40) 11/01/2015   06:09:45  (  70.25,  84.43)    2.10                44
 11/03/2015   20:46:29   (  70.68,-134.32) 11/03/2015   20:45:18  (  70.77,-135.25)   35.15                71
 11/03/2015   21:36:04   ( -70.31,  32.75) 11/03/2015   21:35:53  ( -70.30,  32.82)    2.95                11
 11/03/2015   22:25:31   (  70.20,-159.77) 11/03/2015   22:26:37  (  70.20,-159.72)    1.87                66
 11/06/2015   13:03:03   (  70.42, -18.84) 11/06/2015   13:02:04  (  70.40, -18.90)    2.75                59
 11/06/2015   13:52:33   ( -70.32, 148.64) 11/06/2015   13:52:46  ( -70.30, 148.59)    2.98                13
 11/06/2015   14:42:11   (  69.60, -44.72) 11/06/2015   14:43:19  (  69.62, -43.08)   63.54                68