Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 3 31.  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)
 04/01/2017   14:41:28   (  70.17, -44.01) 04/01/2017   14:40:32  (  70.20, -44.00)    3.56                56
 04/01/2017   15:30:57   ( -70.10, 123.54) 04/01/2017   15:31:14  ( -70.10, 123.48)    2.68                17
 04/01/2017   16:20:37   (  69.28, -69.93) 04/01/2017   16:21:44  (  69.25, -67.97)   77.55                67
 04/04/2017   06:57:56   (  70.16,  71.86) 04/04/2017   06:57:27  (  70.14,  71.86)    2.35                29
 04/04/2017   07:47:26   ( -70.05,-120.66) 04/04/2017   07:48:09  ( -70.03,-120.66)    1.54                43
 04/06/2017   22:24:54   ( -70.36,  20.39) 04/06/2017   22:23:41  ( -70.39,  19.93)   17.41                73
 04/06/2017   23:14:24   (  70.09,-172.36) 04/06/2017   23:14:21  (  70.08,-172.28)    3.15                 3
 04/07/2017   00:03:54   ( -69.98,  -4.88) 04/07/2017   00:05:03  ( -69.97,  -4.80)    3.07                69
 04/09/2017   14:41:25   ( -70.18, 136.01) 04/09/2017   14:40:33  ( -70.17, 136.03)    1.25                52
 04/09/2017   15:30:52   (  70.07, -56.51) 04/09/2017   15:31:17  (  70.08, -56.51)    1.10                25
 04/09/2017   16:20:37   ( -69.14, 109.86) 04/09/2017   16:21:43  ( -69.12, 112.20)   92.60                66
 04/12/2017   06:08:09   (  71.02,  85.51) 04/12/2017   06:07:02  (  71.07,  83.03)   90.05                67
 04/12/2017   06:57:53   ( -70.16,-108.15) 04/12/2017   06:57:29  ( -70.17,-108.20)    2.58                24
 04/12/2017   07:47:20   (  70.04,  59.33) 04/12/2017   07:48:12  (  70.03,  59.33)    1.57                52