Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 27.  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)
 03/27/2019   22:24:56   ( -70.37,  20.42) 03/27/2019   22:23:43  ( -70.40,  19.89)   20.11                73
 03/27/2019   23:14:26   (  70.10,-172.32) 03/27/2019   23:14:24  (  70.11,-172.37)    2.48                 2
 03/28/2019   00:03:56   ( -69.99,  -4.85) 03/28/2019   00:05:05  ( -69.98,  -4.85)    0.46                69
 03/30/2019   14:41:28   ( -70.18, 136.02) 03/30/2019   14:40:32  ( -70.17, 136.02)    1.04                56
 03/30/2019   15:30:55   (  70.07, -56.49) 03/30/2019   15:31:16  (  70.05, -56.49)    2.42                21
 03/30/2019   16:20:37   ( -69.30, 110.09) 03/30/2019   16:21:45  ( -69.28, 111.96)   73.51                68
 04/02/2019   06:57:56   ( -70.14,-108.15) 04/02/2019   06:57:24  ( -70.15,-108.17)    1.02                32
 04/02/2019   07:47:23   (  70.03,  59.34) 04/02/2019   07:48:08  (  70.03,  59.31)    1.03                45
 04/04/2019   22:24:51   (  70.43,-159.49) 04/04/2019   22:23:39  (  70.44,-160.16)   25.04                72
 04/04/2019   23:14:25   ( -70.11,   7.67) 04/04/2019   23:14:16  ( -70.08,   7.71)    3.17                 9
 04/05/2019   00:03:52   (  69.99, 175.16) 04/05/2019   00:05:00  (  69.97, 175.19)    2.79                68
 04/07/2019   14:41:24   (  70.17, -43.99) 04/07/2019   14:40:27  (  70.17, -43.96)    1.39                57
 04/07/2019   15:30:54   ( -70.07, 123.49) 04/07/2019   15:31:09  ( -70.07, 123.51)    0.58                15
 04/07/2019   16:20:33   (  69.29, -69.92) 04/07/2019   16:21:40  (  69.27, -68.01)   75.13                67