Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 3 20.  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)
 03/22/2018   06:57:54   (  70.15,  71.87) 03/22/2018   06:57:29  (  70.12,  71.86)    3.68                25
 03/22/2018   07:47:24   ( -70.04,-120.66) 03/22/2018   07:48:11  ( -70.03,-120.68)    1.33                47
 03/24/2018   22:24:55   ( -70.26,  20.25) 03/24/2018   22:23:42  ( -70.27,  20.08)    6.57                73
 03/24/2018   23:14:23   (  70.10,-172.33) 03/24/2018   23:14:25  (  70.11,-172.35)    1.31                 2
 03/25/2018   00:03:53   ( -69.99,  -4.85) 03/25/2018   00:05:06  ( -69.96,  -4.81)    3.33                73
 03/27/2018   14:41:24   ( -70.15, 135.97) 03/27/2018   14:40:35  ( -70.15, 136.03)    2.47                49
 03/27/2018   15:30:51   (  70.04, -56.54) 03/27/2018   15:31:19  (  70.04, -56.49)    2.09                28
 03/30/2018   06:08:10   (  70.90,  85.34) 03/30/2018   06:07:02  (  70.93,  83.24)   76.30                68
 03/30/2018   06:57:52   ( -70.14,-108.16) 03/30/2018   06:57:31  ( -70.14,-108.18)    0.88                21
 03/30/2018   07:47:19   (  70.03,  59.33) 03/30/2018   07:48:15  (  70.04,  59.29)    1.81                56
 04/01/2018   22:24:51   (  70.18,-159.86) 04/01/2018   22:23:44  (  70.19,-159.80)    2.53                67
 04/01/2018   23:14:21   ( -70.08,   7.63) 04/01/2018   23:14:26  ( -70.08,   7.68)    2.03                 5
 04/02/2018   00:03:54   (  69.63, 174.65) 04/02/2018   00:05:04  (  69.66, 175.62)   37.42                70