Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 12 7.  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)
 12/08/2017   06:08:50   (  70.94,  85.45) 12/08/2017   06:07:43  (  70.98,  83.08)   86.13                67
 12/08/2017   06:58:34   ( -70.06,-108.22) 12/08/2017   06:58:10  ( -70.09,-108.18)    3.19                24
 12/08/2017   07:48:01   (  69.96,  59.28) 12/08/2017   07:48:54  (  69.98,  59.29)    2.78                53
 12/10/2017   22:25:33   (  70.17,-159.82) 12/10/2017   22:24:22  (  70.17,-159.85)    0.98                71
 12/10/2017   23:15:03   ( -70.06,   7.65) 12/10/2017   23:15:04  ( -70.06,   7.63)    0.88                 1
 12/11/2017   00:04:33   (  69.79, 174.92) 12/11/2017   00:05:45  (  69.80, 175.33)   15.82                72
 12/13/2017   14:42:03   (  70.10, -44.04) 12/13/2017   14:41:16  (  70.14, -44.03)    3.69                47
 12/13/2017   15:31:33   ( -70.00, 123.45) 12/13/2017   15:31:58  ( -70.03, 123.45)    3.36                25
 12/16/2017   06:08:49   ( -71.02, -94.44) 12/16/2017   06:07:42  ( -71.09, -97.10)   96.68                67
 12/16/2017   06:58:31   (  70.09,  71.82) 12/16/2017   06:58:09  (  70.10,  71.79)    1.97                22
 12/16/2017   07:48:01   ( -69.99,-120.69) 12/16/2017   07:48:51  ( -69.99,-120.73)    1.44                50
 12/18/2017   22:25:33   ( -70.19,  20.19) 12/18/2017   22:24:20  ( -70.21,  20.09)    4.55                73
 12/18/2017   23:15:00   (  70.07,-172.32) 12/18/2017   23:15:03  (  70.06,-172.38)    2.35                 3
 12/19/2017   00:04:31   ( -69.92,  -4.91) 12/19/2017   00:05:44  ( -69.90,  -4.81)    4.32                73