Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 22.  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)
 08/23/2017   14:41:58   (  70.16, -43.93) 08/23/2017   14:41:02  (  70.14, -43.95)    2.81                56
 08/23/2017   15:31:28   ( -70.05, 123.55) 08/23/2017   15:31:44  ( -70.04, 123.52)    1.86                16
 08/23/2017   16:21:08   (  69.23, -69.93) 08/23/2017   16:22:15  (  69.24, -68.00)   75.84                67
 08/26/2017   06:58:29   (  70.08,  71.84) 08/26/2017   06:57:58  (  70.06,  71.92)    3.36                31
 08/26/2017   07:47:59   ( -69.97,-120.68) 08/26/2017   07:48:40  ( -69.96,-120.61)    2.75                41
 08/28/2017   22:25:28   ( -70.38,  20.51) 08/28/2017   22:24:16  ( -70.42,  19.83)   25.74                72
 08/28/2017   23:14:59   (  70.05,-172.32) 08/28/2017   23:14:55  (  70.05,-172.29)    1.09                 4
 08/29/2017   00:04:29   ( -69.95,  -4.83) 08/29/2017   00:05:37  ( -69.95,  -4.82)    0.61                68
 08/31/2017   14:42:02   ( -70.13, 136.03) 08/31/2017   14:41:08  ( -70.14, 136.03)    1.01                54
 08/31/2017   15:31:29   (  70.01, -56.49) 08/31/2017   15:31:52  (  70.03, -56.51)    2.26                23
 08/31/2017   16:21:13   ( -69.14, 109.96) 08/31/2017   16:22:20  ( -69.19, 112.05)   82.64                67
 09/03/2017   06:58:31   ( -70.09,-108.15) 09/03/2017   06:58:03  ( -70.07,-108.10)    2.82                28
 09/03/2017   07:47:58   (  69.97,  59.34) 09/03/2017   07:48:47  (  69.97,  59.36)    1.17                49