Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 1 4.  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)
 01/06/2017   06:08:53   (  70.93,  85.42) 01/06/2017   06:07:46  (  70.96,  83.10)   84.35                67
 01/06/2017   06:58:36   ( -70.11,-108.17) 01/06/2017   06:58:13  ( -70.08,-108.18)    3.55                23
 01/06/2017   07:48:04   (  69.95,  59.25) 01/06/2017   07:48:57  (  69.96,  59.30)    2.38                53
 01/08/2017   22:25:36   (  70.14,-159.88) 01/08/2017   22:24:25  (  70.16,-159.85)    2.28                71
 01/08/2017   23:15:05   ( -70.09,   7.67) 01/08/2017   23:15:07  ( -70.07,   7.60)    3.21                 2
 01/09/2017   00:04:36   (  69.76, 174.86) 01/09/2017   00:05:47  (  69.74, 175.40)   21.10                71
 01/11/2017   14:42:05   (  70.11, -44.05) 01/11/2017   14:41:18  (  70.10, -43.99)    2.74                47
 01/11/2017   15:31:35   ( -70.00, 123.43) 01/11/2017   15:32:00  ( -70.01, 123.47)    1.57                25
 01/14/2017   06:08:51   ( -71.05, -94.40) 01/14/2017   06:07:45  ( -71.10, -97.13)   98.63                66
 01/14/2017   06:58:34   (  70.07,  71.78) 01/14/2017   06:58:12  (  70.09,  71.79)    2.64                22
 01/14/2017   07:48:04   ( -69.97,-120.74) 01/14/2017   07:48:53  ( -69.95,-120.67)    3.14                49
 01/16/2017   22:25:34   ( -70.20,  20.19) 01/16/2017   22:24:21  ( -70.20,  20.09)    3.98                73
 01/16/2017   23:15:02   (  70.03,-172.40) 01/16/2017   23:15:04  (  70.04,-172.35)    2.38                 2
 01/17/2017   00:04:32   ( -69.93,  -4.91) 01/17/2017   00:05:45  ( -69.90,  -4.81)    5.14                73