Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 7 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)
 07/15/2019   06:08:41   ( -70.86, -94.62) 07/15/2019   06:07:33  ( -70.91, -96.82)   80.22                68
 07/15/2019   06:58:21   (  70.06,  71.83) 07/15/2019   06:58:03  (  70.05,  71.86)    1.84                18
 07/15/2019   07:47:51   ( -69.94,-120.70) 07/15/2019   07:48:45  ( -69.97,-120.70)    3.10                54
 07/17/2019   22:25:24   ( -70.13,  20.16) 07/17/2019   22:24:14  ( -70.13,  20.20)    1.36                70
 07/17/2019   23:14:51   (  70.02,-172.34) 07/17/2019   23:14:58  (  70.00,-172.30)    2.98                 7
 07/18/2019   00:04:24   ( -69.75,  -5.09) 07/18/2019   00:05:36  ( -69.71,  -4.55)   21.37                72
 07/20/2019   14:41:53   ( -70.10, 136.00) 07/20/2019   14:41:08  ( -70.08, 136.04)    2.22                45
 07/20/2019   15:31:20   (  69.99, -56.50) 07/20/2019   15:31:53  (  70.01, -56.54)    2.79                33
 07/23/2019   06:08:42   (  70.77,  85.25) 07/23/2019   06:07:34  (  70.81,  83.34)   70.12                68
 07/23/2019   06:58:23   ( -70.06,-108.16) 07/23/2019   06:58:04  ( -70.09,-108.20)    3.25                19
 07/23/2019   07:47:50   (  69.95,  59.33) 07/23/2019   07:48:48  (  69.97,  59.29)    2.35                58
 07/25/2019   22:25:23   (  70.13,-159.82) 07/25/2019   22:24:17  (  70.14,-159.82)    0.74                66
 07/25/2019   23:14:53   ( -70.03,   7.67) 07/25/2019   23:14:59  ( -70.05,   7.64)    2.45                 6
 07/26/2019   00:04:26   (  69.59, 174.70) 07/26/2019   00:05:36  (  69.56, 175.67)   37.62                70
 07/28/2019   14:41:53   (  70.09, -43.99) 07/28/2019   14:41:12  (  70.10, -43.99)    1.01                41
 07/28/2019   15:31:23   ( -69.99, 123.50) 07/28/2019   15:31:54  ( -70.00, 123.47)    2.05                31