Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 8 21.  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)
 08/24/2019   06:58:35   ( -70.09,-108.13) 08/24/2019   06:58:08  ( -70.08,-108.17)    2.43                27
 08/24/2019   07:48:02   (  69.99,  59.36) 08/24/2019   07:48:52  (  69.96,  59.31)    3.35                50
 08/26/2019   22:25:35   (  70.18,-159.75) 08/26/2019   22:24:22  (  70.20,-159.91)    6.13                73
 08/26/2019   23:15:06   ( -70.02,   7.65) 08/26/2019   23:15:03  ( -70.05,   7.64)    3.15                 3
 08/27/2019   00:04:33   (  69.91, 175.14) 08/27/2019   00:05:46  (  69.89, 175.20)    3.29                73
 08/29/2019   14:42:06   (  70.11, -43.98) 08/29/2019   14:41:16  (  70.13, -44.02)    3.22                50
 08/29/2019   15:31:36   ( -70.01, 123.51) 08/29/2019   15:31:57  ( -69.98, 123.53)    3.20                21
 08/29/2019   16:21:19   (  69.01, -70.19) 08/29/2019   16:22:25  (  69.02, -67.78)   96.07                66
 09/01/2019   06:58:36   (  70.08,  71.86) 09/01/2019   06:58:10  (  70.06,  71.85)    2.13                26
 09/01/2019   07:48:06   ( -69.98,-120.64) 09/01/2019   07:48:52  ( -69.96,-120.67)    3.04                46
 09/03/2019   22:25:36   ( -70.28,  20.39) 09/03/2019   22:24:23  ( -70.30,  19.95)   16.67                73
 09/03/2019   23:15:05   (  70.05,-172.30) 09/03/2019   23:15:04  (  70.05,-172.35)    2.20                 1
 09/04/2019   00:04:35   ( -69.96,  -4.80) 09/04/2019   00:05:46  ( -69.94,  -4.87)    3.42                71