Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 11 6.  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)
 11/06/2018   14:41:51   ( -70.13, 136.00) 11/06/2018   14:41:17  ( -70.14, 136.05)    1.94                34
 11/06/2018   15:31:18   (  70.03, -56.49) 11/06/2018   15:32:02  (  70.06, -56.53)    3.20                44
 11/09/2018   06:08:47   (  70.44,  84.69) 11/09/2018   06:07:35  (  70.45,  84.00)   25.58                72
 11/09/2018   06:58:21   ( -70.10,-108.16) 11/09/2018   06:58:12  ( -70.11,-108.14)    0.86                 9
 11/09/2018   07:47:48   (  70.00,  59.34) 11/09/2018   07:48:56  (  69.98,  59.36)    2.38                68
 11/11/2018   22:25:20   (  70.18,-159.80) 11/11/2018   22:24:24  (  70.16,-159.78)    2.19                56
 11/11/2018   23:14:50   ( -70.07,   7.68) 11/11/2018   23:15:06  ( -70.08,   7.66)    1.15                16
 11/12/2018   00:04:30   (  69.25, 174.20) 11/12/2018   00:05:37  (  69.27, 176.16)   77.39                67
 11/14/2018   14:41:50   (  70.15, -43.97) 11/14/2018   14:41:19  (  70.14, -43.99)    0.74                31
 11/14/2018   15:31:20   ( -70.04, 123.51) 11/14/2018   15:32:01  ( -70.06, 123.46)    2.62                41
 11/17/2018   06:08:48   ( -70.49, -95.24) 11/17/2018   06:07:36  ( -70.55, -96.18)   35.51                72
 11/17/2018   06:58:20   (  70.11,  71.85) 11/17/2018   06:58:14  (  70.12,  71.81)    2.49                 6
 11/17/2018   07:47:50   ( -70.00,-120.66) 11/17/2018   07:48:55  ( -69.98,-120.66)    2.33                65
 11/19/2018   22:25:23   ( -70.18,  20.19) 11/19/2018   22:24:24  ( -70.17,  20.20)    1.31                59
 11/19/2018   23:14:50   (  70.07,-172.32) 11/19/2018   23:15:08  (  70.05,-172.32)    1.42                18