Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 6.  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)
 04/07/2019   14:41:24   (  70.17, -43.99) 04/07/2019   14:40:27  (  70.16, -43.96)    1.34                57
 04/07/2019   15:30:54   ( -70.06, 123.49) 04/07/2019   15:31:09  ( -70.08, 123.49)    2.06                15
 04/07/2019   16:20:33   (  69.29, -69.91) 04/07/2019   16:21:40  (  69.27, -68.01)   74.81                67
 04/10/2019   06:57:53   (  70.13,  71.83) 04/10/2019   06:57:20  (  70.16,  71.83)    3.15                33
 04/10/2019   07:47:23   ( -70.02,-120.69) 04/10/2019   07:48:01  ( -70.02,-120.63)    2.26                38
 04/12/2019   22:24:46   ( -70.63,  20.80) 04/12/2019   22:23:36  ( -70.68,  19.48)   49.02                70
 04/12/2019   23:14:21   (  70.08,-172.36) 04/12/2019   23:14:11  (  70.10,-172.30)    2.85                10
 04/13/2019   00:03:51   ( -69.98,  -4.87) 04/13/2019   00:04:53  ( -70.01,  -4.84)    3.24                62
 04/15/2019   14:41:22   ( -70.20, 136.05) 04/15/2019   14:40:20  ( -70.20, 136.02)    1.22                62
 04/15/2019   15:30:49   (  70.09, -56.47) 04/15/2019   15:31:04  (  70.10, -56.52)    1.93                15
 04/15/2019   16:20:27   ( -69.55, 110.41) 04/15/2019   16:21:37  ( -69.52, 111.66)   48.37                70
 04/18/2019   06:57:51   ( -70.15,-108.15) 04/18/2019   06:57:12  ( -70.14,-108.11)    1.68                39
 04/18/2019   07:47:18   (  70.04,  59.33) 04/18/2019   07:47:56  (  70.04,  59.35)    0.87                38