Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 1 9.  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)
 01/11/2018   22:25:23   (  70.51,-159.36) 01/11/2018   22:24:12  (  70.52,-160.38)   38.12                71
 01/11/2018   23:14:59   ( -70.06,   7.63) 01/11/2018   23:14:47  ( -70.07,   7.65)    0.85                12
 01/12/2018   00:04:26   (  69.96, 175.13) 01/12/2018   00:05:31  (  69.95, 175.13)    0.94                65
 01/14/2018   14:41:58   (  70.11, -44.05) 01/14/2018   14:40:58  (  70.13, -43.98)    3.08                60
 01/14/2018   15:31:27   ( -70.05, 123.50) 01/14/2018   15:31:40  ( -70.03, 123.48)    2.34                13
 01/14/2018   16:21:05   (  69.34, -69.83) 01/14/2018   16:22:13  (  69.34, -68.19)   64.12                68
 01/17/2018   06:58:26   (  70.10,  71.81) 01/17/2018   06:57:51  (  70.10,  71.83)    1.03                35
 01/17/2018   07:47:56   ( -69.99,-120.71) 01/17/2018   07:48:33  ( -70.01,-120.71)    2.30                37
 01/19/2018   22:25:18   ( -70.62,  20.82) 01/19/2018   22:24:08  ( -70.66,  19.42)   51.59                70
 01/19/2018   23:14:53   (  70.08,-172.33) 01/19/2018   23:14:43  (  70.08,-172.35)    0.71                10
 01/20/2018   00:04:23   ( -69.97,  -4.85) 01/20/2018   00:05:25  ( -69.98,  -4.89)    2.09                62
 01/22/2018   14:41:54   ( -70.17, 136.03) 01/22/2018   14:40:52  ( -70.16, 135.98)    1.90                62
 01/22/2018   15:31:21   (  70.05, -56.48) 01/22/2018   15:31:36  (  70.05, -56.54)    2.28                15
 01/22/2018   16:20:59   ( -69.51, 110.40) 01/22/2018   16:22:09  ( -69.48, 111.62)   47.58                70