Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 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)
 04/02/2019   06:57:57   ( -70.11,-108.20) 04/02/2019   06:57:24  ( -70.13,-108.15)    3.32                33
 04/02/2019   07:47:24   (  70.00,  59.30) 04/02/2019   07:48:08  (  70.01,  59.34)    2.10                44
 04/04/2019   22:24:52   (  70.40,-159.53) 04/04/2019   22:23:40  (  70.47,-160.21)   26.25                72
 04/04/2019   23:14:25   ( -70.13,   7.71) 04/04/2019   23:14:17  ( -70.12,   7.66)    2.34                 8
 04/05/2019   00:03:52   (  70.02, 175.20) 04/05/2019   00:05:01  (  70.00, 175.14)    3.08                69
 04/07/2019   14:41:23   (  70.20, -43.95) 04/07/2019   14:40:27  (  70.19, -44.00)    1.80                56
 04/07/2019   15:30:53   ( -70.09, 123.53) 04/07/2019   15:31:09  ( -70.10, 123.46)    2.94                16
 04/07/2019   16:20:32   (  69.32, -69.88) 04/07/2019   16:21:40  (  69.30, -68.05)   71.98                68
 04/10/2019   06:57:52   (  70.15,  71.86) 04/10/2019   06:57:19  (  70.13,  71.87)    1.87                33
 04/10/2019   07:47:22   ( -70.05,-120.65) 04/10/2019   07:48:01  ( -70.04,-120.66)    1.25                39
 04/12/2019   22:24:47   ( -70.60,  20.75) 04/12/2019   22:23:36  ( -70.65,  19.53)   45.29                71
 04/12/2019   23:14:21   (  70.10,-172.33) 04/12/2019   23:14:12  (  70.13,-172.34)    3.04                 9
 04/13/2019   00:03:51   ( -70.00,  -4.84) 04/13/2019   00:04:54  ( -70.03,  -4.87)    3.06                63