Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 2.  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,-108.19) 04/02/2019   06:57:24  ( -70.13,-108.14)    2.46                33
 04/02/2019   07:47:24   (  70.01,  59.31) 04/02/2019   07:48:08  (  70.00,  59.36)    1.99                44
 04/04/2019   22:24:52   (  70.41,-159.52) 04/04/2019   22:23:40  (  70.46,-160.20)   25.87                72
 04/04/2019   23:14:26   ( -70.08,   7.64) 04/04/2019   23:14:17  ( -70.11,   7.67)    3.40                 9
 04/05/2019   00:03:53   (  69.97, 175.13) 04/05/2019   00:05:01  (  69.99, 175.15)    2.18                68
 04/07/2019   14:41:23   (  70.21, -43.94) 04/07/2019   14:40:27  (  70.19, -43.99)    2.90                56
 04/07/2019   15:30:53   ( -70.10, 123.54) 04/07/2019   15:31:09  ( -70.10, 123.47)    2.83                16
 04/07/2019   16:20:33   (  69.27, -69.94) 04/07/2019   16:21:40  (  69.29, -68.04)   74.85                67
 04/10/2019   06:57:52   (  70.16,  71.88) 04/10/2019   06:57:20  (  70.18,  71.80)    3.23                32
 04/10/2019   07:47:22   ( -70.06,-120.64) 04/10/2019   07:48:01  ( -70.03,-120.65)    3.21                39
 04/12/2019   22:24:47   ( -70.61,  20.77) 04/12/2019   22:23:36  ( -70.64,  19.54)   45.28                71
 04/12/2019   23:14:21   (  70.11,-172.31) 04/12/2019   23:14:12  (  70.12,-172.32)    0.51                 9
 04/13/2019   00:03:51   ( -70.01,  -4.82) 04/13/2019   00:04:54  ( -70.02,  -4.86)    1.31                63
 04/15/2019   14:41:23   ( -70.18, 136.01) 04/15/2019   14:40:21  ( -70.21, 136.00)    3.26                62
 04/15/2019   15:30:50   (  70.06, -56.51) 04/15/2019   15:31:04  (  70.06, -56.45)    2.11                14
 04/15/2019   16:20:28   ( -69.52, 110.38) 04/15/2019   16:21:38  ( -69.53, 111.64)   49.10                70