Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 24.  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)
 02/26/2018   06:58:08   ( -70.14,-108.13) 02/26/2018   06:57:20  ( -70.12,-108.10)    2.91                48
 02/26/2018   07:47:35   (  70.04,  59.36) 02/26/2018   07:48:05  (  70.05,  59.33)    1.61                30
 02/28/2018   22:24:52   (  70.95,-158.68) 02/28/2018   22:23:45  (  70.99,-161.03)   85.28                67
 02/28/2018   23:14:35   ( -70.13,   7.73) 02/28/2018   23:14:12  ( -70.12,   7.68)    1.95                23
 03/01/2018   00:04:02   (  70.02, 175.22) 03/01/2018   00:04:56  (  70.00, 175.18)    3.17                54
 03/03/2018   14:41:34   (  70.17, -43.98) 03/03/2018   14:40:22  (  70.16, -43.91)    2.71                72
 03/03/2018   15:31:04   ( -70.06, 123.51) 03/03/2018   15:31:04  ( -70.07, 123.54)    2.00                 0
 03/03/2018   16:20:33   (  69.84, -69.16) 03/03/2018   16:21:45  (  69.80, -68.74)   16.92                72
 03/06/2018   06:58:02   (  70.14,  71.87) 03/06/2018   06:57:15  (  70.17,  71.86)    2.80                47
 03/06/2018   07:47:32   ( -70.04,-120.64) 03/06/2018   07:47:56  ( -70.03,-120.61)    1.80                24
 03/08/2018   23:14:30   (  70.11,-172.29) 03/08/2018   23:14:07  (  70.12,-172.30)    1.34                23
 03/09/2018   00:04:00   ( -70.01,  -4.80) 03/09/2018   00:04:49  ( -70.03,  -4.84)    2.85                49