Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 28.  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)
 08/28/2020   22:25:23   (  70.66,-159.06) 08/28/2020   22:24:13  (  70.72,-160.68)   60.00                70
 08/28/2020   23:15:02   ( -70.06,   7.70) 08/28/2020   23:14:44  ( -70.05,   7.70)    1.56                18
 08/29/2020   00:04:29   (  69.95, 175.19) 08/29/2020   00:05:28  (  69.93, 175.18)    2.36                59
 08/31/2020   14:42:03   (  70.13, -43.96) 08/31/2020   14:40:58  (  70.13, -43.97)    0.45                65
 08/31/2020   15:31:33   ( -70.03, 123.53) 08/31/2020   15:31:40  ( -70.03, 123.49)    1.49                 7
 08/31/2020   16:21:07   (  69.53, -69.52) 08/31/2020   16:22:17  (  69.55, -68.48)   40.28                70
 09/03/2020   06:58:34   (  70.09,  71.86) 09/03/2020   06:57:53  (  70.07,  71.89)    2.65                41
 09/03/2020   07:48:04   ( -69.99,-120.65) 09/03/2020   07:48:35  ( -69.97,-120.64)    2.48                31
 09/05/2020   22:25:25   ( -70.82,  21.17) 09/05/2020   22:24:17  ( -70.84,  19.11)   74.96                68
 09/05/2020   23:15:04   (  70.04,-172.33) 09/05/2020   23:14:48  (  70.06,-172.33)    1.88                16
 09/06/2020   00:04:34   ( -69.95,  -4.83) 09/06/2020   00:05:30  ( -69.96,  -4.85)    1.35                56
 09/08/2020   14:42:08   ( -70.12, 136.01) 09/08/2020   14:40:59  ( -70.10, 136.07)    2.77                69
 09/08/2020   15:31:35   (  70.00, -56.52) 09/08/2020   15:31:43  (  70.00, -56.47)    1.95                 8
 09/08/2020   16:21:09   ( -69.68, 110.68) 09/08/2020   16:22:21  ( -69.68, 111.32)   24.83                72