Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 9 15.  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)
 09/16/2015   20:46:23   (  70.42,-134.70) 09/16/2015   20:45:45  (  70.42,-134.68)    1.03                38
 09/16/2015   21:35:53   ( -70.31,  32.77) 09/16/2015   21:36:26  ( -70.30,  32.83)    2.72                33
 09/19/2015   12:13:14   ( -71.18, 174.71) 09/19/2015   12:12:06  ( -71.24, 172.44)   81.51                68
 09/19/2015   13:02:54   (  70.37, -18.89) 09/19/2015   13:02:36  (  70.39, -18.85)    2.04                18
 09/19/2015   13:52:23   ( -70.32, 148.67) 09/19/2015   13:53:18  ( -70.31, 148.59)    3.10                55
 09/22/2015   04:29:57   ( -70.49, -70.49) 09/22/2015   04:28:44  ( -70.53, -70.60)    5.94                73
 09/22/2015   05:19:24   (  70.38,  97.00) 09/22/2015   05:19:27  (  70.35,  96.98)    2.99                 3
 09/22/2015   06:08:55   ( -70.22, -95.60) 09/22/2015   06:10:08  ( -70.22, -95.49)    4.11                73
 09/24/2015   20:46:28   ( -70.43,  45.31) 09/24/2015   20:45:34  ( -70.44,  45.32)    0.98                54
 09/24/2015   21:35:55   (  70.32,-147.21) 09/24/2015   21:36:18  (  70.32,-147.19)    0.75                23
 09/24/2015   22:25:39   ( -69.45,  19.21) 09/24/2015   22:26:45  ( -69.45,  21.43)   86.92                66
 09/27/2015   13:02:57   ( -70.42, 161.18) 09/27/2015   13:02:24  ( -70.41, 161.14)    1.98                33
 09/27/2015   13:52:24   (  70.31, -31.35) 09/27/2015   13:53:08  (  70.29, -31.37)    1.94                44