Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 2 11.  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)
 02/13/2020   14:41:44   ( -70.93, 137.17) 02/13/2020   14:40:37  ( -70.96, 134.76)   87.28                67
 02/13/2020   15:31:25   (  70.06, -56.48) 02/13/2020   15:31:06  (  70.06, -56.48)    0.66                19
 02/13/2020   16:20:55   ( -69.95, 111.00) 02/13/2020   16:21:48  ( -69.97, 110.97)    2.09                53
 02/16/2020   06:58:28   ( -70.15,-108.13) 02/16/2020   06:57:18  ( -70.16,-108.19)    2.86                70
 02/16/2020   07:47:55   (  70.04,  59.36) 02/16/2020   07:48:02  (  70.05,  59.30)    2.73                 7
 02/16/2020   08:37:28   ( -69.77,-133.38) 02/16/2020   08:38:40  ( -69.75,-132.93)   17.43                72
 02/18/2020   23:14:58   ( -70.09,   7.66) 02/18/2020   23:14:12  ( -70.10,   7.67)    1.29                46
 02/19/2020   00:04:25   (  69.98, 175.15) 02/19/2020   00:04:56  (  69.99, 175.16)    0.95                31
 02/21/2020   14:41:47   (  70.81, -43.04) 02/21/2020   14:40:39  (  70.87, -45.11)   75.70                68
 02/21/2020   15:31:29   ( -70.05, 123.47) 02/21/2020   15:31:07  ( -70.04, 123.53)    2.42                22
 02/21/2020   16:20:56   (  69.93, -69.04) 02/21/2020   16:21:51  (  69.93, -68.99)    2.07                55
 02/24/2020   06:58:30   (  70.12,  71.82) 02/24/2020   06:57:21  (  70.13,  71.84)    1.40                69
 02/24/2020   07:48:00   ( -70.02,-120.69) 02/24/2020   07:48:03  ( -70.03,-120.69)    1.07                 3
 02/24/2020   08:37:31   (  69.69,  46.49) 02/24/2020   08:38:42  (  69.66,  47.18)   26.78                71