Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 17.  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   ( -70.12,-108.10) 08/18/2017   06:57:52  ( -70.14,-108.17)    2.89                36
 08/18/2017   07:47:56   (  69.97,  59.32) 08/18/2017   07:48:35  (  69.97,  59.39)    2.68                39
 08/20/2017   22:25:24   (  70.44,-159.39) 08/20/2017   22:24:13  (  70.53,-160.34)   36.68                71
 08/20/2017   23:14:59   ( -70.06,   7.69) 08/20/2017   23:14:48  ( -70.06,   7.71)    0.95                11
 08/21/2017   00:04:26   (  69.95, 175.18) 08/21/2017   00:05:32  (  69.95, 175.18)    0.08                66
 08/23/2017   14:41:58   (  70.15, -43.94) 08/23/2017   14:41:02  (  70.14, -43.97)    1.51                56
 08/23/2017   15:31:28   ( -70.05, 123.55) 08/23/2017   15:31:44  ( -70.04, 123.51)    1.74                16
 08/23/2017   16:21:08   (  69.22, -69.93) 08/23/2017   16:22:15  (  69.24, -68.02)   75.68                67
 08/26/2017   06:58:29   (  70.08,  71.84) 08/26/2017   06:57:58  (  70.07,  71.91)    2.56                31
 08/26/2017   07:47:59   ( -69.98,-120.67) 08/26/2017   07:48:40  ( -69.97,-120.62)    2.38                41
 08/28/2017   22:25:28   ( -70.39,  20.52) 08/28/2017   22:24:16  ( -70.42,  19.82)   26.39                72
 08/28/2017   23:14:59   (  70.05,-172.31) 08/28/2017   23:14:55  (  70.06,-172.31)    0.34                 4
 08/29/2017   00:04:29   ( -69.96,  -4.82) 08/29/2017   00:05:37  ( -69.95,  -4.82)    0.92                68
 08/31/2017   14:42:02   ( -70.15, 136.05) 08/31/2017   14:41:08  ( -70.14, 136.02)    1.42                54
 08/31/2017   15:31:29   (  70.03, -56.47) 08/31/2017   15:31:52  (  70.04, -56.52)    2.32                23