Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 3 5.  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)
 03/06/2018   06:58:02   (  70.17,  71.90) 03/06/2018   06:57:23  (  70.16,  71.83)    2.93                39
 03/06/2018   07:47:32   ( -70.05,-120.63) 03/06/2018   07:48:04  ( -70.03,-120.65)    2.81                32
 03/08/2018   22:24:53   ( -70.74,  20.98) 03/08/2018   22:23:44  ( -70.78,  19.30)   61.79                69
 03/08/2018   23:14:30   (  70.09,-172.33) 03/08/2018   23:14:17  (  70.08,-172.28)    2.07                13
 03/09/2018   00:04:00   ( -69.98,  -4.86) 03/09/2018   00:04:59  ( -70.00,  -4.84)    2.80                59
 03/11/2018   14:41:31   ( -70.16, 136.01) 03/11/2018   14:40:29  ( -70.18, 136.03)    1.66                62
 03/11/2018   15:30:58   (  70.06, -56.50) 03/11/2018   15:31:13  (  70.06, -56.48)    0.67                15
 03/11/2018   16:20:36   ( -69.51, 110.38) 03/11/2018   16:21:46  ( -69.50, 111.67)   50.19                70
 03/14/2018   06:57:59   ( -70.13,-108.15) 03/14/2018   06:57:25  ( -70.15,-108.17)    2.37                34
 03/14/2018   07:47:26   (  70.02,  59.33) 03/14/2018   07:48:09  (  70.04,  59.32)    1.84                43
 03/16/2018   22:24:55   (  70.31,-159.65) 03/16/2018   22:23:42  (  70.38,-160.08)   18.05                73
 03/16/2018   23:14:27   ( -70.10,   7.68) 03/16/2018   23:14:20  ( -70.08,   7.71)    2.52                 7
 03/17/2018   00:03:54   (  69.98, 175.16) 03/17/2018   00:05:04  (  69.96, 175.19)    2.26                70
 03/19/2018   14:41:24   (  70.16, -43.99) 03/19/2018   14:40:33  (  70.16, -43.96)    1.07                51
 03/19/2018   15:30:54   ( -70.06, 123.50) 03/19/2018   15:31:15  ( -70.06, 123.51)    0.24                21