Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 13.  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)
 09/13/2020   22:25:29   (  70.71,-158.99) 09/13/2020   22:24:20  (  70.77,-160.78)   65.81                69
 09/13/2020   23:15:09   ( -70.06,   7.68) 09/13/2020   23:14:50  ( -70.05,   7.70)    1.41                19
 09/14/2020   00:04:36   (  69.95, 175.17) 09/14/2020   00:05:34  (  69.94, 175.17)    1.71                58
 09/16/2020   14:42:08   (  70.16, -43.92) 09/16/2020   14:41:03  (  70.14, -44.00)    3.54                65
 09/16/2020   15:31:39   ( -70.00, 123.48) 09/16/2020   15:31:44  ( -69.99, 123.55)    2.98                 5
 09/16/2020   16:21:12   (  69.56, -69.48) 09/16/2020   16:22:22  (  69.57, -68.51)   37.88                70
 09/19/2020   06:58:39   (  70.10,  71.87) 09/19/2020   06:57:58  (  70.09,  71.85)    1.21                41
 09/19/2020   07:48:09   ( -70.00,-120.64) 09/19/2020   07:48:40  ( -69.99,-120.68)    1.72                31
 09/21/2020   22:25:31   ( -70.81,  21.14) 09/21/2020   22:24:23  ( -70.88,  19.05)   76.72                68
 09/21/2020   23:15:10   (  70.04,-172.34) 09/21/2020   23:14:53  (  70.05,-172.31)    1.62                17
 09/22/2020   00:04:40   ( -69.94,  -4.85) 09/22/2020   00:05:35  ( -69.94,  -4.83)    0.79                55
 09/24/2020   14:42:13   ( -70.14, 136.04) 09/24/2020   14:41:05  ( -70.15, 135.99)    1.92                68
 09/24/2020   15:31:40   (  70.03, -56.48) 09/24/2020   15:31:48  (  70.00, -56.47)    2.95                 8
 09/24/2020   16:21:15   ( -69.65, 110.63) 09/24/2020   16:22:26  ( -69.68, 111.33)   26.94                71