Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 4.  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)
 08/04/2017   22:25:13   (  70.77,-158.89) 08/04/2017   22:24:05  (  70.82,-160.77)   68.90                68
 08/04/2017   23:14:53   ( -70.11,   7.77) 08/04/2017   23:14:35  ( -70.09,   7.71)    3.43                18
 08/05/2017   00:04:21   (  69.96, 175.19) 08/05/2017   00:05:19  (  69.98, 175.19)    2.42                58
 08/07/2017   14:41:53   (  70.17, -43.90) 08/07/2017   14:40:49  (  70.16, -43.95)    2.63                64
 08/07/2017   15:31:23   ( -70.07, 123.58) 08/07/2017   15:31:31  ( -70.06, 123.53)    2.35                 8
 08/07/2017   16:20:58   (  69.52, -69.53) 08/07/2017   16:22:07  (  69.52, -68.37)   45.00                69
 08/10/2017   06:58:24   (  70.12,  71.90) 08/10/2017   06:57:46  (  70.13,  71.86)    1.98                38
 08/10/2017   07:47:54   ( -70.01,-120.61) 08/10/2017   07:48:28  ( -70.02,-120.66)    2.12                34
 08/12/2017   22:25:19   ( -70.66,  20.94) 08/12/2017   22:24:09  ( -70.73,  19.37)   58.11                70
 08/12/2017   23:14:55   (  70.06,-172.30) 08/12/2017   23:14:42  (  70.05,-172.25)    2.16                13
 08/13/2017   00:04:25   ( -69.96,  -4.81) 08/13/2017   00:05:24  ( -69.94,  -4.77)    2.49                59
 08/15/2017   14:41:58   ( -70.17, 136.08) 08/15/2017   14:40:56  ( -70.17, 136.01)    2.89                62
 08/15/2017   15:31:25   (  70.05, -56.43) 08/15/2017   15:31:39  (  70.02, -56.45)    3.17                14
 08/15/2017   16:21:03   ( -69.51, 110.45) 08/15/2017   16:22:13  ( -69.49, 111.66)   46.90                70
 08/18/2017   06:58:28   ( -70.10,-108.13) 08/18/2017   06:57:51  ( -70.09,-108.10)    1.35                37
 08/18/2017   07:47:55   (  69.98,  59.35) 08/18/2017   07:48:35  (  70.00,  59.35)    1.65                40