Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 12 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)
 12/11/2015   05:19:32   (  70.35,  96.93) 12/11/2015   05:18:47  (  70.36,  96.87)    2.53                45
 12/11/2015   06:09:02   ( -70.23, -95.61) 12/11/2015   06:09:28  ( -70.20, -95.58)    3.10                26
 12/13/2015   20:46:19   ( -71.20,  46.48) 12/13/2015   20:45:12  ( -71.25,  43.85)   94.12                67
 12/13/2015   21:36:01   (  70.28,-147.28) 12/13/2015   21:35:39  (  70.26,-147.22)    3.17                22
 12/13/2015   22:25:31   ( -70.17,  20.19) 12/13/2015   22:26:21  ( -70.16,  20.25)    2.51                50
 12/16/2015   13:03:02   ( -70.37, 161.09) 12/16/2015   13:01:49  ( -70.38, 161.06)    1.60                73
 12/16/2015   13:52:29   (  70.26, -31.42) 12/16/2015   13:52:33  (  70.28, -31.48)    2.76                 4
 12/16/2015   14:42:00   ( -70.10, 135.98) 12/16/2015   14:43:13  ( -70.07, 136.16)    7.59                73
 12/19/2015   05:19:29   ( -70.34, -83.07) 12/19/2015   05:18:41  ( -70.35, -83.12)    2.17                48
 12/19/2015   06:08:56   (  70.23,  84.42) 12/19/2015   06:09:25  (  70.25,  84.34)    3.44                29
 12/21/2015   20:46:14   (  71.12,-133.63) 12/21/2015   20:45:07  (  71.21,-136.09)   88.63                67
 12/21/2015   21:35:57   ( -70.30,  32.76) 12/21/2015   21:35:34  ( -70.32,  32.69)    3.29                23
 12/21/2015   22:25:24   (  70.19,-159.76) 12/21/2015   22:26:17  (  70.17,-159.76)    2.33                53