Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 6 24.  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)
 06/25/2017   22:25:02   ( -70.67,  20.96) 06/25/2017   22:23:52  ( -70.72,  19.41)   57.02                70
 06/25/2017   23:14:38   (  70.08,-172.26) 06/25/2017   23:14:26  (  70.06,-172.25)    2.18                12
 06/26/2017   00:04:08   ( -69.97,  -4.79) 06/26/2017   00:05:08  ( -69.99,  -4.81)    2.50                60
 06/28/2017   14:41:41   ( -70.17, 136.10) 06/28/2017   14:40:36  ( -70.15, 136.09)    2.11                65
 06/28/2017   15:31:09   (  70.01, -56.48) 06/28/2017   15:31:20  (  70.02, -56.41)    3.02                11
 06/28/2017   16:20:45   ( -69.57, 110.54) 06/28/2017   16:21:55  ( -69.58, 111.57)   40.09                70
 07/01/2017   06:58:12   ( -70.10,-108.12) 07/01/2017   06:57:30  ( -70.11,-108.07)    2.18                42
 07/01/2017   07:47:38   (  69.99,  59.37) 07/01/2017   07:48:13  (  69.99,  59.42)    1.81                35
 07/03/2017   22:25:02   (  70.68,-159.03) 07/03/2017   22:23:52  (  70.74,-160.61)   58.77                70
 07/03/2017   23:14:41   ( -70.08,   7.73) 07/03/2017   23:14:23  ( -70.07,   7.76)    1.69                18
 07/04/2017   00:04:08   (  69.97, 175.22) 07/04/2017   00:05:07  (  69.95, 175.25)    2.06                59
 07/06/2017   14:41:41   (  70.16, -43.91) 07/06/2017   14:40:36  (  70.18, -43.95)    2.61                65
 07/06/2017   15:31:11   ( -70.05, 123.58) 07/06/2017   15:31:17  ( -70.03, 123.60)    2.94                 6
 07/06/2017   16:20:45   (  69.55, -69.47) 07/06/2017   16:21:55  (  69.60, -68.46)   39.65                70