Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 28.  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)
 03/30/2019   14:41:28   ( -70.18, 136.02) 03/30/2019   14:40:32  ( -70.17, 136.02)    1.06                56
 03/30/2019   15:30:55   (  70.07, -56.48) 03/30/2019   15:31:16  (  70.05, -56.49)    2.78                21
 03/30/2019   16:20:37   ( -69.30, 110.10) 03/30/2019   16:21:45  ( -69.28, 111.96)   73.36                68
 04/02/2019   06:57:56   ( -70.15,-108.14) 04/02/2019   06:57:24  ( -70.15,-108.17)    1.16                32
 04/02/2019   07:47:23   (  70.04,  59.35) 04/02/2019   07:48:08  (  70.03,  59.31)    1.50                45
 04/04/2019   22:24:52   (  70.39,-159.56) 04/04/2019   22:23:40  (  70.49,-160.25)   28.24                72
 04/04/2019   23:14:25   ( -70.11,   7.69) 04/04/2019   23:14:17  ( -70.14,   7.63)    3.18                 8
 04/05/2019   00:03:52   (  70.00, 175.17) 04/05/2019   00:05:01  (  70.02, 175.11)    3.43                69
 04/07/2019   14:41:24   (  70.18, -43.97) 04/07/2019   14:40:27  (  70.17, -43.96)    1.78                57
 04/07/2019   15:30:54   ( -70.08, 123.51) 04/07/2019   15:31:09  ( -70.07, 123.51)    0.90                15
 04/07/2019   16:20:33   (  69.30, -69.90) 04/07/2019   16:21:40  (  69.27, -68.01)   74.40                67
 04/10/2019   06:57:53   (  70.14,  71.84) 04/10/2019   06:57:20  (  70.16,  71.83)    2.48                33
 04/10/2019   07:47:23   ( -70.04,-120.67) 04/10/2019   07:48:02  ( -70.06,-120.70)    2.78                39