Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 16.  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)
 08/18/2017   06:58:28   ( -70.13,-108.09) 08/18/2017   06:57:52  ( -70.13,-108.15)    2.64                36
 08/18/2017   07:47:56   (  69.97,  59.33) 08/18/2017   07:48:35  (  69.97,  59.40)    2.75                39
 08/20/2017   22:25:24   (  70.45,-159.38) 08/20/2017   22:24:13  (  70.52,-160.33)   36.12                71
 08/20/2017   23:14:59   ( -70.07,   7.70) 08/20/2017   23:14:48  ( -70.05,   7.73)    2.30                11
 08/21/2017   00:04:26   (  69.96, 175.19) 08/21/2017   00:05:32  (  69.94, 175.20)    1.78                66
 08/23/2017   14:41:58   (  70.16, -43.92) 08/23/2017   14:41:02  (  70.13, -43.95)    2.94                56
 08/23/2017   15:31:28   ( -70.06, 123.56) 08/23/2017   15:31:44  ( -70.03, 123.53)    3.31                16
 08/23/2017   16:21:08   (  69.23, -69.92) 08/23/2017   16:22:15  (  69.23, -68.00)   75.81                67
 08/26/2017   06:58:29   (  70.08,  71.85) 08/26/2017   06:57:59  (  70.12,  71.84)    3.52                30
 08/26/2017   07:47:59   ( -69.98,-120.66) 08/26/2017   07:48:41  ( -70.01,-120.68)    2.72                42
 08/28/2017   22:25:29   ( -70.34,  20.45) 08/28/2017   22:24:16  ( -70.41,  19.84)   23.98                73
 08/28/2017   23:14:59   (  70.06,-172.30) 08/28/2017   23:14:55  (  70.04,-172.29)    1.86                 4
 08/29/2017   00:04:29   ( -69.96,  -4.81) 08/29/2017   00:05:37  ( -69.93,  -4.80)    3.10                68