Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 22.  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)
 04/23/2019   14:41:17   (  70.19, -43.98) 04/23/2019   14:40:34  (  70.18, -44.02)    1.74                43
 04/23/2019   15:30:47   ( -70.08, 123.50) 04/23/2019   15:31:16  ( -70.09, 123.45)    2.37                29
 04/26/2019   06:08:07   ( -70.89, -94.71) 04/26/2019   06:06:59  ( -70.92, -96.75)   74.37                68
 04/26/2019   06:57:46   (  70.12,  71.80) 04/26/2019   06:57:30  (  70.13,  71.83)    1.62                16
 04/26/2019   07:47:16   ( -70.01,-120.71) 04/26/2019   07:48:12  ( -70.03,-120.71)    2.23                56
 04/28/2019   22:24:46   ( -70.22,  20.17) 04/28/2019   22:23:41  ( -70.19,  20.19)    3.03                65
 04/28/2019   23:14:13   (  70.10,-172.35) 04/28/2019   23:14:25  (  70.08,-172.33)    1.99                12
 04/29/2019   00:03:50   ( -69.61,  -5.39) 04/29/2019   00:05:00  ( -69.61,  -4.31)   41.62                70
 05/01/2019   14:41:14   ( -70.20, 136.02) 05/01/2019   14:40:38  ( -70.19, 135.96)    2.59                36
 05/01/2019   15:30:41   (  70.08, -56.50) 05/01/2019   15:31:22  (  70.09, -56.58)    3.24                41
 05/04/2019   06:08:09   (  70.43,  84.61) 05/04/2019   06:06:57  (  70.52,  83.89)   28.30                72
 05/04/2019   06:57:43   ( -70.12,-108.21) 05/04/2019   06:57:34  ( -70.14,-108.20)    3.05                 9
 05/04/2019   07:47:10   (  69.99,  59.26) 05/04/2019   07:48:17  (  69.99,  59.34)    2.84                67