Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 8.  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)
 03/08/2020   14:41:47   (  70.24, -43.88) 03/08/2020   14:40:34  (  70.34, -44.28)   18.06                73
 03/08/2020   15:31:18   ( -70.07, 123.51) 03/08/2020   15:31:12  ( -70.05, 123.49)    2.98                 6
 03/08/2020   16:20:46   (  69.92, -69.07) 03/08/2020   16:21:56  (  69.92, -69.01)    2.35                70
 03/11/2020   06:58:16   (  70.13,  71.83) 03/11/2020   06:57:25  (  70.13,  71.81)    1.05                51
 03/11/2020   07:47:46   ( -70.02,-120.69) 03/11/2020   07:48:06  ( -70.00,-120.67)    2.41                20
 03/11/2020   08:37:29   (  69.03,  45.62) 03/11/2020   08:38:34  (  69.02,  48.05)   96.71                65
 03/13/2020   23:14:45   (  70.07,-172.38) 03/13/2020   23:14:20  (  70.09,-172.36)    2.51                25
 03/14/2020   00:04:15   ( -69.96,  -4.89) 03/14/2020   00:05:01  ( -69.95,  -4.83)    2.64                46
 03/16/2020   14:41:46   ( -70.17, 136.01) 03/16/2020   14:40:32  ( -70.22, 135.91)    6.33                74
 03/16/2020   15:31:13   (  70.06, -56.51) 03/16/2020   15:31:15  (  70.05, -56.52)    1.41                 2
 03/16/2020   16:20:44   ( -69.90, 110.90) 03/16/2020   16:21:56  ( -69.91, 111.01)    4.07                72
 03/19/2020   06:58:15   ( -70.11,-108.20) 03/19/2020   06:57:26  ( -70.12,-108.18)    1.72                49
 03/19/2020   07:47:42   (  69.99,  59.28) 03/19/2020   07:48:10  (  70.01,  59.31)    1.98                28
 03/21/2020   22:25:00   (  70.85,-158.86) 03/21/2020   22:23:52  (  70.91,-160.99)   77.76                68
 03/21/2020   23:14:42   ( -70.10,   7.66) 03/21/2020   23:14:20  ( -70.08,   7.66)    2.09                22
 03/22/2020   00:04:09   (  69.98, 175.13) 03/22/2020   00:05:04  (  69.97, 175.14)    1.24                55