Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 8 18.  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)
 08/18/2019   23:15:03   (  70.03,-172.33) 08/18/2019   23:15:04  (  70.05,-172.36)    2.38                 1
 08/19/2019   00:04:33   ( -69.92,  -4.86) 08/19/2019   00:05:45  ( -69.91,  -4.83)    1.56                72
 08/21/2019   14:42:05   ( -70.13, 136.04) 08/21/2019   14:41:14  ( -70.14, 135.96)    3.17                51
 08/21/2019   15:31:33   (  69.96, -56.55) 08/21/2019   15:31:57  (  69.97, -56.47)    2.91                24
 08/21/2019   16:21:17   ( -69.09, 109.90) 08/21/2019   16:22:24  ( -69.09, 112.13)   88.39                67
 08/24/2019   06:58:36   ( -70.06,-108.17) 08/24/2019   06:58:08  ( -70.06,-108.15)    1.10                28
 08/24/2019   07:48:03   (  69.95,  59.32) 08/24/2019   07:48:52  (  69.95,  59.33)    0.51                49
 08/26/2019   22:25:35   (  70.21,-159.72) 08/26/2019   22:24:23  (  70.25,-159.97)   10.47                72
 08/26/2019   23:15:06   ( -70.05,   7.69) 08/26/2019   23:15:03  ( -70.04,   7.66)    1.63                 3
 08/27/2019   00:04:34   (  69.88, 175.10) 08/27/2019   00:05:46  (  69.88, 175.21)    4.28                72
 08/29/2019   14:42:06   (  70.13, -43.94) 08/29/2019   14:41:16  (  70.12, -44.01)    2.91                50
 08/29/2019   15:31:37   ( -69.98, 123.47) 08/29/2019   15:31:57  ( -69.96, 123.55)    3.35                20
 08/29/2019   16:21:20   (  68.98, -70.23) 08/29/2019   16:22:25  (  69.01, -67.77)   98.08                65
 09/01/2019   06:58:36   (  70.06,  71.83) 09/01/2019   06:58:09  (  70.05,  71.87)    1.48                27
 09/01/2019   07:48:06   ( -69.96,-120.67) 09/01/2019   07:48:51  ( -69.95,-120.65)    2.12                45