Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 7 18.  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)
 07/20/2018   06:08:05   (  70.28,  84.53) 07/20/2018   06:06:53  (  70.30,  84.32)    8.00                72
 07/20/2018   06:57:36   ( -70.11,-108.08) 07/20/2018   06:57:33  ( -70.11,-108.07)    0.69                 3
 07/20/2018   07:47:04   (  69.96,  59.34) 07/20/2018   07:48:16  (  69.93,  59.51)    7.04                72
 07/22/2018   22:24:37   (  70.17,-159.75) 07/22/2018   22:23:48  (  70.18,-159.73)    0.78                49
 07/22/2018   23:14:07   ( -70.06,   7.73) 07/22/2018   23:14:30  ( -70.09,   7.73)    2.73                23
 07/25/2018   14:41:07   (  70.17, -43.87) 07/25/2018   14:40:45  (  70.16, -43.94)    3.10                22
 07/25/2018   15:30:38   ( -70.01, 123.54) 07/25/2018   15:31:26  ( -70.02, 123.60)    2.45                48
 07/28/2018   06:08:11   ( -70.22, -95.56) 07/28/2018   06:06:58  ( -70.26, -95.64)    5.25                73
 07/28/2018   06:57:38   (  70.11,  71.93) 07/28/2018   06:57:41  (  70.10,  71.92)    1.78                 3
 07/28/2018   07:47:09   ( -69.95,-120.66) 07/28/2018   07:48:22  ( -69.95,-120.53)    4.93                73
 07/30/2018   22:24:41   ( -70.16,  20.24) 07/30/2018   22:23:53  ( -70.19,  20.23)    3.43                48
 07/30/2018   23:14:08   (  70.05,-172.27) 07/30/2018   23:14:36  (  70.04,-172.22)    2.76                28