Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 27.  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)
 01/28/2019   06:08:36   (  70.53,  84.83) 01/28/2019   06:07:25  (  70.59,  83.70)   42.12                71
 01/28/2019   06:58:12   ( -70.09,-108.18) 01/28/2019   06:57:59  ( -70.08,-108.18)    1.04                13
 01/28/2019   07:47:39   (  69.98,  59.31) 01/28/2019   07:48:43  (  69.96,  59.31)    1.98                64
 01/30/2019   22:25:10   (  70.16,-159.83) 01/30/2019   22:24:10  (  70.16,-159.85)    0.63                60
 01/30/2019   23:14:40   ( -70.05,   7.65) 01/30/2019   23:14:52  ( -70.07,   7.61)    2.14                12
 01/31/2019   00:04:17   (  69.39, 174.39) 01/31/2019   00:05:25  (  69.37, 175.95)   61.11                68
 02/02/2019   14:41:39   (  70.12, -44.00) 02/02/2019   14:41:03  (  70.10, -43.98)    2.70                36
 02/02/2019   15:31:09   ( -70.02, 123.48) 02/02/2019   15:31:45  ( -70.01, 123.48)    1.34                36
 02/05/2019   06:08:33   ( -70.64, -95.02) 02/05/2019   06:07:23  ( -70.73, -96.51)   55.96                70
 02/05/2019   06:58:08   (  70.08,  71.82) 02/05/2019   06:57:57  (  70.10,  71.80)    1.54                11
 02/05/2019   07:47:38   ( -69.98,-120.69) 02/05/2019   07:48:39  ( -70.00,-120.74)    2.84                61
 02/07/2019   22:25:10   ( -70.16,  20.17) 02/07/2019   22:24:06  ( -70.15,  20.18)    1.51                64
 02/07/2019   23:14:37   (  70.05,-172.35) 02/07/2019   23:14:50  (  70.04,-172.34)    0.57                13
 02/08/2019   00:04:14   ( -69.56,  -5.39) 02/08/2019   00:05:24  ( -69.52,  -4.26)   44.15                70