Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 10 23.  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)
 10/24/2019   14:42:19   ( -70.14, 136.02) 10/24/2019   14:41:07  ( -70.16, 136.04)    1.79                72
 10/24/2019   15:31:46   (  70.04, -56.48) 10/24/2019   15:31:51  (  70.04, -56.47)    0.64                 5
 10/24/2019   16:21:18   ( -69.82, 110.84) 10/24/2019   16:22:30  ( -69.79, 111.21)   14.44                72
 10/27/2019   06:58:48   ( -70.15,-108.09) 10/27/2019   06:58:01  ( -70.14,-108.17)    2.86                47
 10/27/2019   07:48:15   (  70.04,  59.40) 10/27/2019   07:48:45  (  70.02,  59.32)    3.48                30
 10/29/2019   22:25:35   (  70.91,-158.71) 10/29/2019   22:24:28  (  71.00,-161.10)   87.26                67
 10/29/2019   23:15:18   ( -70.09,   7.71) 10/29/2019   23:14:54  ( -70.07,   7.71)    2.19                24
 10/30/2019   00:04:45   (  69.98, 175.20) 10/30/2019   00:05:38  (  69.95, 175.19)    2.96                53
 11/01/2019   14:42:17   (  70.14, -43.98) 11/01/2019   14:41:05  (  70.15, -43.96)    1.70                72
 11/01/2019   15:31:47   ( -70.03, 123.51) 11/01/2019   15:31:47  ( -70.06, 123.49)    3.14                 0
 11/01/2019   16:21:16   (  69.81, -69.16) 11/01/2019   16:22:28  (  69.79, -68.79)   14.55                72
 11/04/2019   06:58:46   (  70.12,  71.89) 11/04/2019   06:57:59  (  70.14,  71.82)    3.25                47
 11/04/2019   07:48:16   ( -70.02,-120.62) 11/04/2019   07:48:40  ( -70.00,-120.64)    2.87                24