Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 24.  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)
 01/25/2019   14:41:43   ( -70.11, 135.97) 01/25/2019   14:41:05  ( -70.10, 136.02)    2.65                38
 01/25/2019   15:31:10   (  70.01, -56.53) 01/25/2019   15:31:49  (  69.98, -56.50)    2.97                39
 01/28/2019   06:08:36   (  70.51,  84.80) 01/28/2019   06:07:25  (  70.60,  83.69)   42.20                71
 01/28/2019   06:58:12   ( -70.07,-108.20) 01/28/2019   06:57:59  ( -70.08,-108.18)    1.36                13
 01/28/2019   07:47:39   (  69.96,  59.29) 01/28/2019   07:48:43  (  69.97,  59.29)    0.92                64
 01/30/2019   22:25:10   (  70.19,-159.79) 01/30/2019   22:24:11  (  70.17,-159.86)    3.52                59
 01/30/2019   23:14:41   ( -70.03,   7.62) 01/30/2019   23:14:52  ( -70.02,   7.69)    2.80                11
 01/31/2019   00:04:18   (  69.36, 174.35) 01/31/2019   00:05:26  (  69.38, 175.94)   62.06                68
 02/02/2019   14:41:38   (  70.14, -43.98) 02/02/2019   14:41:03  (  70.11, -43.99)    3.39                35
 02/02/2019   15:31:08   ( -70.04, 123.51) 02/02/2019   15:31:45  ( -70.01, 123.47)    3.04                37
 02/05/2019   06:08:32   ( -70.64, -95.01) 02/05/2019   06:07:22  ( -70.68, -96.44)   52.73                70
 02/05/2019   06:58:07   (  70.09,  71.83) 02/05/2019   06:57:57  (  70.10,  71.79)    2.70                10
 02/05/2019   07:47:37   ( -69.99,-120.68) 02/05/2019   07:48:38  ( -69.95,-120.67)    3.43                61