Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 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)
 01/06/2019   22:25:18   ( -70.15,  20.16) 01/06/2019   22:24:17  ( -70.14,  20.19)    2.22                61
 01/06/2019   23:14:45   (  70.05,-172.34) 01/06/2019   23:15:01  (  70.03,-172.34)    2.36                16
 01/07/2019   00:04:24   ( -69.44,  -5.54) 01/07/2019   00:05:33  ( -69.40,  -4.10)   56.56                69
 01/09/2019   14:41:48   ( -70.09, 135.94) 01/09/2019   14:41:11  ( -70.11, 136.00)    3.24                37
 01/09/2019   15:31:15   (  69.98, -56.56) 01/09/2019   15:31:55  (  70.00, -56.53)    2.95                40
 01/12/2019   06:08:40   (  70.50,  84.80) 01/12/2019   06:07:29  (  70.55,  83.76)   38.88                71
 01/12/2019   06:58:16   ( -70.07,-108.20) 01/12/2019   06:58:04  ( -70.08,-108.19)    1.27                12
 01/12/2019   07:47:43   (  69.96,  59.29) 01/12/2019   07:48:48  (  69.98,  59.28)    2.10                65
 01/14/2019   22:25:15   (  70.15,-159.83) 01/14/2019   22:24:16  (  70.16,-159.85)    1.01                59
 01/14/2019   23:14:45   ( -70.05,   7.65) 01/14/2019   23:14:58  ( -70.05,   7.63)    1.19                13
 01/15/2019   00:04:23   (  69.33, 174.31) 01/15/2019   00:05:31  (  69.37, 175.94)   64.07                68
 01/17/2019   14:41:44   (  70.13, -43.99) 01/17/2019   14:41:10  (  70.14, -44.05)    2.44                34
 01/17/2019   15:31:14   ( -70.03, 123.50) 01/17/2019   15:31:52  ( -70.03, 123.43)    2.62                38