Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 13.  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   (  70.15, -43.95) 10/13/2018   14:41:20  (  70.16, -43.94)    1.63                23
 10/13/2018   15:31:13   ( -70.04, 123.53) 10/13/2018   15:32:01  ( -70.03, 123.59)    2.58                48
 10/16/2018   06:08:45   ( -70.31, -95.48) 10/16/2018   06:07:32  ( -70.36, -95.79)   12.73                73
 10/16/2018   06:58:13   (  70.14,  71.93) 10/16/2018   06:58:14  (  70.13,  71.87)    2.35                 1
 10/16/2018   07:47:44   ( -69.98,-120.67) 10/16/2018   07:48:55  ( -70.00,-120.60)    2.69                71
 10/18/2018   22:25:17   ( -70.19,  20.23) 10/18/2018   22:24:23  ( -70.18,  20.26)    2.19                54
 10/18/2018   23:14:44   (  70.08,-172.29) 10/18/2018   23:15:07  (  70.06,-172.25)    2.76                23
 10/19/2018   00:04:28   ( -69.21,  -5.84) 10/19/2018   00:05:35  ( -69.23,  -3.72)   83.61                67
 10/21/2018   14:41:46   ( -70.18, 136.09) 10/21/2018   14:41:16  ( -70.16, 136.06)    3.02                30
 10/21/2018   15:31:13   (  70.07, -56.43) 10/21/2018   15:32:00  (  70.04, -56.45)    2.95                47
 10/24/2018   06:08:44   (  70.37,  84.62) 10/24/2018   06:07:32  (  70.44,  84.07)   22.04                72
 10/24/2018   06:58:17   ( -70.11,-108.13) 10/24/2018   06:58:09  ( -70.09,-108.07)    3.32                 8
 10/24/2018   07:47:44   (  69.99,  59.35) 10/24/2018   07:48:53  (  69.97,  59.41)    3.14                69
 10/26/2018   22:25:17   (  70.18,-159.78) 10/26/2018   22:24:21  (  70.17,-159.74)    1.88                56
 10/26/2018   23:14:47   ( -70.09,   7.72) 10/26/2018   23:15:03  ( -70.08,   7.72)    0.96                16
 10/27/2018   00:04:27   (  69.25, 174.22) 10/27/2018   00:05:34  (  69.27, 176.20)   78.21                67