Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 30.  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   (  70.12, -43.98) 08/31/2020   14:40:58  (  70.14, -43.99)    2.55                65
 08/31/2020   15:31:33   ( -70.01, 123.51) 08/31/2020   15:31:39  ( -70.00, 123.55)    2.66                 6
 08/31/2020   16:21:07   (  69.52, -69.53) 08/31/2020   16:22:17  (  69.56, -68.50)   40.40                70
 09/03/2020   06:58:34   (  70.08,  71.84) 09/03/2020   06:57:53  (  70.08,  71.87)    1.15                41
 09/03/2020   07:48:04   ( -69.98,-120.67) 09/03/2020   07:48:35  ( -69.98,-120.66)    0.44                31
 09/05/2020   22:25:26   ( -70.81,  21.15) 09/05/2020   22:24:18  ( -70.86,  19.10)   75.26                68
 09/05/2020   23:15:05   (  70.04,-172.34) 09/05/2020   23:14:48  (  70.02,-172.26)    3.63                17
 09/06/2020   00:04:35   ( -69.94,  -4.84) 09/06/2020   00:05:30  ( -69.92,  -4.79)    3.19                55
 09/08/2020   14:42:08   ( -70.11, 136.00) 09/08/2020   14:40:59  ( -70.11, 136.05)    2.20                69
 09/08/2020   15:31:35   (  69.99, -56.52) 09/08/2020   15:31:43  (  70.01, -56.48)    2.59                 8
 09/08/2020   16:21:09   ( -69.68, 110.67) 09/08/2020   16:22:20  ( -69.64, 111.39)   27.94                71
 09/11/2020   06:58:38   ( -70.12,-108.11) 09/11/2020   06:57:55  ( -70.10,-108.16)    2.54                43
 09/11/2020   07:48:05   (  70.00,  59.36) 09/11/2020   07:48:39  (  70.00,  59.30)    2.62                34