Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 11 5.  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)
 11/06/2018   14:41:51   ( -70.15, 136.03) 11/06/2018   14:41:18  ( -70.17, 136.00)    2.64                33
 11/06/2018   15:31:18   (  70.05, -56.47) 11/06/2018   15:32:02  (  70.04, -56.50)    1.42                44
 11/09/2018   06:08:47   (  70.39,  84.63) 11/09/2018   06:07:35  (  70.49,  83.95)   27.49                72
 11/09/2018   06:58:20   ( -70.12,-108.13) 11/09/2018   06:58:11  ( -70.09,-108.12)    3.41                 9
 11/09/2018   07:47:47   (  70.02,  59.36) 11/09/2018   07:48:56  (  70.02,  59.30)    2.36                69
 11/11/2018   22:25:20   (  70.19,-159.78) 11/11/2018   22:24:25  (  70.20,-159.84)    2.38                55
 11/11/2018   23:14:50   ( -70.09,   7.70) 11/11/2018   23:15:06  ( -70.06,   7.69)    2.50                16
 11/12/2018   00:04:30   (  69.26, 174.22) 11/12/2018   00:05:37  (  69.25, 176.18)   77.58                67
 11/14/2018   14:41:50   (  70.15, -43.96) 11/14/2018   14:41:19  (  70.13, -43.96)    3.01                31
 11/14/2018   15:31:20   ( -70.05, 123.52) 11/14/2018   15:32:01  ( -70.04, 123.49)    1.68                41
 11/17/2018   06:08:48   ( -70.49, -95.23) 11/17/2018   06:07:36  ( -70.54, -96.15)   34.66                72
 11/17/2018   06:58:20   (  70.11,  71.86) 11/17/2018   06:58:14  (  70.11,  71.83)    1.28                 6
 11/17/2018   07:47:50   ( -70.01,-120.65) 11/17/2018   07:48:56  ( -70.02,-120.72)    2.67                66