Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 7 23.  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)
 07/25/2020   06:58:20   ( -70.10,-108.11) 07/25/2020   06:57:34  ( -70.11,-108.13)    0.77                46
 07/25/2020   07:47:47   (  70.00,  59.39) 07/25/2020   07:48:18  (  69.98,  59.37)    2.55                31
 07/27/2020   22:25:09   (  70.81,-158.82) 07/27/2020   22:24:01  (  70.84,-160.85)   74.05                68
 07/27/2020   23:14:51   ( -70.04,   7.68) 07/27/2020   23:14:30  ( -70.07,   7.70)    3.00                21
 07/28/2020   00:04:18   (  69.94, 175.18) 07/28/2020   00:05:14  (  69.95, 175.19)    1.14                56
 07/30/2020   14:41:50   (  70.14, -43.93) 07/30/2020   14:40:43  (  70.12, -43.94)    1.87                67
 07/30/2020   15:31:20   ( -70.03, 123.55) 07/30/2020   15:31:25  ( -70.03, 123.52)    1.28                 5
 07/30/2020   16:20:53   (  69.59, -69.42) 07/30/2020   16:22:03  (  69.60, -68.52)   34.68                70
 08/02/2020   06:58:21   (  70.07,  71.85) 08/02/2020   06:57:39  (  70.09,  71.88)    2.82                42
 08/02/2020   07:47:51   ( -69.97,-120.66) 08/02/2020   07:48:21  ( -70.00,-120.66)    3.57                30
 08/04/2020   22:25:12   ( -70.82,  21.20) 08/04/2020   22:24:04  ( -70.86,  19.12)   75.99                68
 08/04/2020   23:14:51   (  70.05,-172.30) 08/04/2020   23:14:35  (  70.06,-172.31)    1.46                16
 08/05/2020   00:04:21   ( -69.95,  -4.80) 08/05/2020   00:05:17  ( -69.97,  -4.85)    2.42                56