Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 15.  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)
 02/15/2019   22:25:09   (  70.16,-159.84) 02/15/2019   22:24:04  (  70.17,-159.85)    1.26                65
 02/15/2019   23:14:39   ( -70.04,   7.63) 02/15/2019   23:14:45  ( -70.04,   7.67)    1.85                 6
 02/16/2019   00:04:13   (  69.56, 174.60) 02/16/2019   00:05:23  (  69.60, 175.64)   40.62                70
 02/18/2019   14:41:38   (  70.13, -44.01) 02/18/2019   14:40:57  (  70.12, -44.00)    0.53                41
 02/18/2019   15:31:08   ( -70.01, 123.46) 02/18/2019   15:31:39  ( -70.04, 123.44)    3.24                31
 02/21/2019   06:08:27   ( -70.85, -94.71) 02/21/2019   06:07:19  ( -70.93, -96.83)   77.63                68
 02/21/2019   06:58:06   (  70.09,  71.81) 02/21/2019   06:57:49  (  70.08,  71.84)    1.56                17
 02/21/2019   07:47:36   ( -69.98,-120.71) 02/21/2019   07:48:31  ( -70.00,-120.71)    2.09                55
 02/23/2019   22:25:08   ( -70.15,  20.13) 02/23/2019   22:23:58  ( -70.15,  20.20)    2.48                70
 02/23/2019   23:14:35   (  70.04,-172.37) 02/23/2019   23:14:42  (  70.04,-172.31)    2.37                 7
 02/24/2019   00:04:08   ( -69.77,  -5.12) 02/24/2019   00:05:20  ( -69.74,  -4.55)   22.17                72
 02/26/2019   14:41:36   ( -70.15, 136.02) 02/26/2019   14:40:52  ( -70.16, 135.96)    2.66                44
 02/26/2019   15:31:03   (  70.04, -56.49) 02/26/2019   15:31:36  (  70.05, -56.56)    2.54                33