Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 31.  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)
 08/31/2020   14:42:03   (  70.14, -43.95) 08/31/2020   14:40:58  (  70.12, -43.96)    1.79                65
 08/31/2020   15:31:33   ( -70.03, 123.53) 08/31/2020   15:31:40  ( -70.03, 123.50)    1.39                 7
 08/31/2020   16:21:07   (  69.54, -69.50) 08/31/2020   16:22:17  (  69.54, -68.47)   40.13                70
 09/03/2020   06:58:34   (  70.10,  71.87) 09/03/2020   06:57:54  (  70.11,  71.82)    2.40                40
 09/03/2020   07:48:04   ( -70.00,-120.64) 09/03/2020   07:48:36  ( -70.02,-120.71)    3.54                32
 09/05/2020   22:25:26   ( -70.77,  21.10) 09/05/2020   22:24:17  ( -70.84,  19.13)   72.57                69
 09/05/2020   23:15:04   (  70.06,-172.31) 09/05/2020   23:14:48  (  70.05,-172.31)    1.10                16
 09/06/2020   00:04:34   ( -69.96,  -4.81) 09/06/2020   00:05:30  ( -69.95,  -4.84)    1.57                56
 09/08/2020   14:42:08   ( -70.13, 136.03) 09/08/2020   14:41:00  ( -70.15, 136.00)    1.71                68
 09/08/2020   15:31:35   (  70.02, -56.49) 09/08/2020   15:31:44  (  70.04, -56.53)    3.21                 9
 09/08/2020   16:21:10   ( -69.65, 110.63) 09/08/2020   16:22:21  ( -69.68, 111.34)   27.56                71
 09/11/2020   06:58:39   ( -70.09,-108.15) 09/11/2020   06:57:55  ( -70.08,-108.13)    1.29                44
 09/11/2020   07:48:06   (  69.97,  59.33) 09/11/2020   07:48:39  (  69.98,  59.33)    1.05                33
 09/13/2020   22:25:29   (  70.74,-158.94) 09/13/2020   22:24:20  (  70.76,-160.76)   66.49                69
 09/13/2020   23:15:10   ( -70.05,   7.66) 09/13/2020   23:14:51  ( -70.07,   7.65)    2.95                19
 09/14/2020   00:04:37   (  69.93, 175.14) 09/14/2020   00:05:34  (  69.92, 175.19)    1.91                57