Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 1 29.  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)
 01/30/2018   14:41:47   (  70.17, -43.96) 01/30/2018   14:40:48  (  70.18, -44.03)    2.96                59
 01/30/2018   15:31:17   ( -70.05, 123.51) 01/30/2018   15:31:29  ( -70.05, 123.49)    0.98                12
 01/30/2018   16:20:54   (  69.40, -69.74) 01/30/2018   16:22:03  (  69.39, -68.24)   58.85                69
 02/02/2018   06:58:15   (  70.12,  71.86) 02/02/2018   06:57:40  (  70.11,  71.85)    1.70                35
 02/02/2018   07:47:45   ( -70.01,-120.67) 02/02/2018   07:48:22  ( -70.03,-120.71)    2.71                37
 02/04/2018   22:25:08   ( -70.62,  20.82) 02/04/2018   22:23:58  ( -70.69,  19.41)   52.67                70
 02/04/2018   23:14:43   (  70.07,-172.33) 02/04/2018   23:14:33  (  70.09,-172.35)    2.51                10
 02/05/2018   00:04:13   ( -69.96,  -4.85) 02/05/2018   00:05:14  ( -69.96,  -4.83)    0.91                61
 02/07/2018   14:41:43   ( -70.13, 135.99) 02/07/2018   14:40:40  ( -70.15, 136.04)    2.86                63
 02/07/2018   15:31:10   (  70.02, -56.52) 02/07/2018   15:31:24  (  70.03, -56.47)    2.30                14
 02/07/2018   16:20:48   ( -69.47, 110.36) 02/07/2018   16:21:57  ( -69.47, 111.68)   51.26                69
 02/10/2018   06:58:10   ( -70.13,-108.13) 02/10/2018   06:57:33  ( -70.13,-108.16)    1.48                37
 02/10/2018   07:47:37   (  70.01,  59.36) 02/10/2018   07:48:17  (  70.02,  59.33)    1.23                40