Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 9 2.  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)
 09/03/2017   06:58:32   ( -70.08,-108.16) 09/03/2017   06:58:04  ( -70.10,-108.14)    2.18                28
 09/03/2017   07:47:59   (  69.98,  59.34) 09/03/2017   07:48:48  (  69.98,  59.34)    0.61                49
 09/05/2017   22:25:31   (  70.15,-159.81) 09/05/2017   22:24:18  (  70.18,-159.83)    3.59                73
 09/05/2017   23:15:01   ( -70.04,   7.66) 09/05/2017   23:14:59  ( -70.04,   7.72)    2.14                 2
 09/06/2017   00:04:29   (  69.88, 175.08) 09/06/2017   00:05:42  (  69.87, 175.28)    7.53                73
 09/08/2017   14:42:01   (  70.11, -44.00) 09/08/2017   14:41:14  (  70.12, -43.97)    2.23                47
 09/08/2017   15:31:31   ( -70.00, 123.49) 09/08/2017   15:31:56  ( -70.03, 123.49)    3.14                25
 09/11/2017   06:08:49   ( -70.98, -94.45) 09/11/2017   06:07:42  ( -71.01, -96.95)   90.67                67
 09/11/2017   06:58:31   (  70.06,  71.82) 09/11/2017   06:58:10  (  70.07,  71.88)    2.77                21
 09/11/2017   07:48:01   ( -69.95,-120.70) 09/11/2017   07:48:52  ( -69.97,-120.65)    2.52                51
 09/13/2017   22:25:33   ( -70.17,  20.22) 09/13/2017   22:24:23  ( -70.17,  20.17)    1.55                70
 09/13/2017   23:15:00   (  70.06,-172.30) 09/13/2017   23:15:07  (  70.07,-172.35)    2.03                 7
 09/14/2017   00:04:33   ( -69.79,  -5.04) 09/14/2017   00:05:45  ( -69.75,  -4.57)   18.72                72
 09/16/2017   14:42:02   ( -70.12, 136.02) 09/16/2017   14:41:18  ( -70.12, 136.02)    0.43                44
 09/16/2017   15:31:29   (  70.00, -56.50) 09/16/2017   15:32:02  (  70.01, -56.50)    1.31                33