Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 27.  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)
 02/28/2018   22:24:53   (  70.92,-158.74) 02/28/2018   22:23:45  (  70.98,-161.01)   82.66                68
 02/28/2018   23:14:36   ( -70.09,   7.67) 02/28/2018   23:14:12  ( -70.11,   7.69)    2.94                24
 03/01/2018   00:04:03   (  69.99, 175.17) 03/01/2018   00:04:56  (  69.99, 175.20)    1.15                53
 03/03/2018   14:41:34   (  70.19, -43.95) 03/03/2018   14:40:23  (  70.20, -43.97)    1.58                71
 03/03/2018   15:31:04   ( -70.07, 123.52) 03/03/2018   15:31:04  ( -70.07, 123.55)    1.37                 0
 03/03/2018   16:20:34   (  69.80, -69.21) 03/03/2018   16:21:45  (  69.78, -68.72)   19.07                71
 03/06/2018   06:58:02   (  70.16,  71.90) 03/06/2018   06:57:15  (  70.15,  71.87)    1.17                47
 03/06/2018   07:47:32   ( -70.05,-120.62) 03/06/2018   07:47:57  ( -70.07,-120.68)    2.80                25
 03/08/2018   23:14:29   (  70.14,-172.26) 03/08/2018   23:14:06  (  70.11,-172.28)    2.52                23
 03/09/2018   00:03:59   ( -70.03,  -4.78) 03/09/2018   00:04:48  ( -70.03,  -4.83)    2.08                49
 03/11/2018   14:41:29   ( -70.27, 136.17) 03/11/2018   14:40:16  ( -70.29, 135.92)    9.71                73
 03/11/2018   15:30:57   (  70.10, -56.42) 03/11/2018   15:30:58  (  70.07, -56.44)    3.39                 1
 03/11/2018   16:20:27   ( -70.00, 111.06) 03/11/2018   16:21:40  ( -69.98, 111.02)    2.87                73