Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 12.  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)
 10/13/2018   14:41:43   (  70.16, -43.92) 10/13/2018   14:41:20  (  70.14, -43.91)    2.17                23
 10/13/2018   15:31:13   ( -70.06, 123.56) 10/13/2018   15:32:02  ( -70.06, 123.53)    1.08                49
 10/16/2018   06:08:46   ( -70.27, -95.53) 10/16/2018   06:07:32  ( -70.34, -95.76)   11.38                74
 10/16/2018   06:58:13   (  70.11,  71.87) 10/16/2018   06:58:13  (  70.12,  71.89)    1.39                 0
 10/16/2018   07:47:43   ( -70.01,-120.64) 10/16/2018   07:48:55  ( -70.03,-120.66)    3.00                72
 10/18/2018   22:25:16   ( -70.22,  20.26) 10/18/2018   22:24:23  ( -70.21,  20.21)    2.09                53
 10/18/2018   23:14:43   (  70.10,-172.26) 10/18/2018   23:15:07  (  70.09,-172.30)    1.93                24
 10/19/2018   00:04:27   ( -69.23,  -5.81) 10/19/2018   00:05:34  ( -69.21,  -3.70)   83.38                67
 10/21/2018   14:41:47   ( -70.15, 136.05) 10/21/2018   14:41:16  ( -70.14, 136.09)    2.05                31
 10/21/2018   15:31:14   (  70.03, -56.47) 10/21/2018   15:32:00  (  70.02, -56.43)    2.00                46
 10/24/2018   06:08:44   (  70.40,  84.66) 10/24/2018   06:07:32  (  70.43,  84.09)   21.23                72
 10/24/2018   06:58:17   ( -70.14,-108.09) 10/24/2018   06:58:10  ( -70.12,-108.12)    2.08                 7
 10/24/2018   07:47:44   (  70.02,  59.39) 10/24/2018   07:48:54  (  70.01,  59.36)    1.42                70