Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 7 10.  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)
 07/12/2019   14:41:50   (  70.12, -43.96) 07/12/2019   14:41:08  (  70.11, -44.01)    2.04                42
 07/12/2019   15:31:20   ( -70.01, 123.51) 07/12/2019   15:31:49  ( -69.98, 123.51)    3.12                29
 07/15/2019   06:08:41   ( -70.85, -94.65) 07/15/2019   06:07:33  ( -70.92, -96.84)   80.39                68
 07/15/2019   06:58:20   (  70.09,  71.87) 07/15/2019   06:58:03  (  70.06,  71.83)    3.17                17
 07/15/2019   07:47:50   ( -69.98,-120.65) 07/15/2019   07:48:45  ( -69.98,-120.72)    2.82                55
 07/17/2019   22:25:23   ( -70.16,  20.21) 07/17/2019   22:24:14  ( -70.14,  20.18)    2.57                69
 07/17/2019   23:14:51   (  70.00,-172.37) 07/17/2019   23:14:58  (  70.02,-172.33)    2.85                 7
 07/18/2019   00:04:24   ( -69.73,  -5.12) 07/18/2019   00:05:36  ( -69.72,  -4.57)   21.33                72
 07/20/2019   14:41:54   ( -70.07, 135.97) 07/20/2019   14:41:09  ( -70.09, 136.02)    3.42                45
 07/20/2019   15:31:21   (  69.96, -56.54) 07/20/2019   15:31:53  (  69.98, -56.49)    2.73                32
 07/23/2019   06:08:42   (  70.73,  85.19) 07/23/2019   06:07:33  (  70.77,  83.40)   66.04                69
 07/23/2019   06:58:23   ( -70.03,-108.21) 07/23/2019   06:58:03  ( -70.05,-108.14)    3.39                20
 07/23/2019   07:47:50   (  69.92,  59.28) 07/23/2019   07:48:47  (  69.93,  59.34)    3.12                57