Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 25.  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)
 07/28/2018   06:08:10   ( -70.25, -95.52) 07/28/2018   06:06:57  ( -70.24, -95.61)    3.33                73
 07/28/2018   06:57:38   (  70.09,  71.90) 07/28/2018   06:57:41  (  70.12,  71.89)    3.34                 3
 07/28/2018   07:47:08   ( -69.98,-120.62) 07/28/2018   07:48:21  ( -69.93,-120.50)    7.40                73
 07/30/2018   22:24:41   ( -70.19,  20.27) 07/30/2018   22:23:53  ( -70.18,  20.26)    1.38                48
 07/30/2018   23:14:08   (  70.08,-172.23) 07/30/2018   23:14:37  (  70.06,-172.26)    2.70                29
 08/02/2018   13:51:29   (  70.94, -30.35) 08/02/2018   13:50:22  (  71.00, -32.62)   82.76                67
 08/02/2018   14:41:12   ( -70.12, 136.06) 08/02/2018   14:40:49  ( -70.11, 136.12)    2.51                23
 08/02/2018   15:30:39   (  70.02, -56.44) 08/02/2018   15:31:33  (  70.00, -56.40)    2.20                54
 08/05/2018   06:08:11   (  70.21,  84.45) 08/05/2018   06:07:03  (  70.21,  84.43)    1.12                68
 08/05/2018   06:57:41   ( -70.11,-108.07) 08/05/2018   06:57:45  ( -70.10,-108.10)    1.18                 4
 08/05/2018   07:47:13   (  69.72,  59.03) 08/05/2018   07:48:24  (  69.73,  59.77)   28.40                71
 08/07/2018   22:24:42   (  70.14,-159.78) 08/07/2018   22:23:59  (  70.15,-159.72)    2.56                43
 08/07/2018   23:14:12   ( -70.04,   7.71) 08/07/2018   23:14:41  ( -70.04,   7.76)    2.11                29