Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 21.  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)
 02/23/2019   22:25:08   ( -70.19,  20.19) 02/23/2019   22:23:59  ( -70.21,  20.12)    3.40                69
 02/23/2019   23:14:35   (  70.08,-172.32) 02/23/2019   23:14:43  (  70.08,-172.38)    2.38                 8
 02/24/2019   00:04:09   ( -69.75,  -5.14) 02/24/2019   00:05:20  ( -69.74,  -4.55)   22.89                71
 02/26/2019   14:41:37   ( -70.16, 136.02) 02/26/2019   14:40:52  ( -70.15, 135.98)    2.03                45
 02/26/2019   15:31:04   (  70.05, -56.49) 02/26/2019   15:31:36  (  70.02, -56.52)    3.25                32
 03/01/2019   06:08:25   (  70.83,  85.27) 03/01/2019   06:07:17  (  70.90,  83.23)   74.56                68
 03/01/2019   06:58:06   ( -70.13,-108.15) 03/01/2019   06:57:46  ( -70.13,-108.22)    3.14                20
 03/01/2019   07:47:33   (  70.01,  59.34) 03/01/2019   07:48:30  (  70.01,  59.27)    2.73                57
 03/03/2019   22:25:04   (  70.19,-159.80) 03/03/2019   22:23:57  (  70.20,-159.87)    2.66                67
 03/03/2019   23:14:34   ( -70.09,   7.68) 03/03/2019   23:14:38  ( -70.06,   7.66)    3.00                 4
 03/04/2019   00:04:06   (  69.70, 174.79) 03/04/2019   00:05:17  (  69.68, 175.54)   29.37                71
 03/06/2019   14:41:33   (  70.15, -43.98) 03/06/2019   14:40:50  (  70.13, -43.98)    2.85                43
 03/06/2019   15:31:03   ( -70.05, 123.50) 03/06/2019   15:31:32  ( -70.04, 123.47)    1.76                29