Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 3 6.  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)
 03/08/2017   14:41:42   ( -70.16, 135.99) 03/08/2017   14:40:45  ( -70.18, 135.98)    2.34                57
 03/08/2017   15:31:09   (  70.05, -56.51) 03/08/2017   15:31:29  (  70.06, -56.53)    0.95                20
 03/08/2017   16:20:50   ( -69.33, 110.14) 03/08/2017   16:21:58  ( -69.29, 111.93)   70.34                68
 03/11/2017   06:58:10   ( -70.13,-108.16) 03/11/2017   06:57:37  ( -70.11,-108.14)    2.40                33
 03/11/2017   07:47:37   (  70.03,  59.33) 03/11/2017   07:48:21  (  70.00,  59.34)    2.85                44
 03/13/2017   22:25:05   (  70.38,-159.56) 03/13/2017   22:23:53  (  70.46,-160.22)   26.44                72
 03/13/2017   23:14:38   ( -70.10,   7.68) 03/13/2017   23:14:30  ( -70.10,   7.65)    0.84                 8
 03/14/2017   00:04:05   (  69.99, 175.17) 03/14/2017   00:05:14  (  70.00, 175.13)    1.53                69
 03/16/2017   14:41:36   (  70.17, -43.98) 03/16/2017   14:40:40  (  70.15, -43.95)    3.30                56
 03/16/2017   15:31:06   ( -70.07, 123.51) 03/16/2017   15:31:22  ( -70.05, 123.52)    2.75                16
 03/16/2017   16:20:46   (  69.24, -69.98) 03/16/2017   16:21:53  (  69.25, -68.01)   77.74                67
 03/19/2017   06:58:03   (  70.13,  71.85) 03/19/2017   06:57:32  (  70.15,  71.83)    1.86                31
 03/19/2017   07:47:33   ( -70.03,-120.67) 03/19/2017   07:48:14  ( -70.04,-120.69)    1.68                41