Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 8.  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)
 02/10/2019   14:41:42   ( -70.11, 135.97) 02/10/2019   14:40:59  ( -70.10, 136.03)    2.56                43
 02/10/2019   15:31:09   (  70.00, -56.54) 02/10/2019   15:31:43  (  69.98, -56.48)    3.25                34
 02/13/2019   06:08:31   (  70.73,  85.12) 02/13/2019   06:07:22  (  70.82,  83.34)   65.71                69
 02/13/2019   06:58:11   ( -70.08,-108.21) 02/13/2019   06:57:52  ( -70.10,-108.20)    2.37                19
 02/13/2019   07:47:38   (  69.97,  59.28) 02/13/2019   07:48:36  (  69.98,  59.29)    1.59                58
 02/15/2019   22:25:11   (  70.16,-159.85) 02/15/2019   22:24:03  (  70.14,-159.79)    3.23                68
 02/15/2019   23:14:41   ( -70.05,   7.63) 02/15/2019   23:14:45  ( -70.05,   7.66)    1.20                 4
 02/16/2019   00:04:13   (  69.67, 174.74) 02/16/2019   00:05:24  (  69.67, 175.54)   30.83                71
 02/18/2019   14:41:41   (  70.14, -44.01) 02/18/2019   14:40:57  (  70.14, -44.02)    0.71                44
 02/18/2019   15:31:11   ( -70.04, 123.49) 02/18/2019   15:31:39  ( -70.05, 123.43)    2.46                28
 02/21/2019   06:08:29   ( -71.06, -94.40) 02/21/2019   06:07:23  ( -71.09, -97.10)   97.62                66
 02/21/2019   06:58:12   (  70.07,  71.77) 02/21/2019   06:57:50  (  70.09,  71.82)    2.92                22
 02/21/2019   07:47:42   ( -69.97,-120.73) 02/21/2019   07:48:32  ( -70.00,-120.72)    3.03                50