Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 16.  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)
 02/18/2019   14:41:38   (  70.13, -44.01) 02/18/2019   14:40:57  (  70.13, -44.01)    0.29                41
 02/18/2019   15:31:08   ( -70.02, 123.47) 02/18/2019   15:31:38  ( -70.00, 123.51)    2.94                30
 02/21/2019   06:08:27   ( -70.86, -94.70) 02/21/2019   06:07:19  ( -70.94, -96.84)   78.35                68
 02/21/2019   06:58:06   (  70.10,  71.83) 02/21/2019   06:57:49  (  70.08,  71.84)    1.82                17
 02/21/2019   07:47:36   ( -69.99,-120.70) 02/21/2019   07:48:31  ( -70.00,-120.72)    1.74                55
 02/23/2019   22:25:08   ( -70.17,  20.16) 02/23/2019   22:23:58  ( -70.16,  20.19)    1.63                70
 02/23/2019   23:14:35   (  70.06,-172.35) 02/23/2019   23:14:42  (  70.04,-172.32)    2.76                 7
 02/24/2019   00:04:09   ( -69.73,  -5.17) 02/24/2019   00:05:20  ( -69.74,  -4.56)   23.76                71
 02/26/2019   14:41:37   ( -70.13, 135.98) 02/26/2019   14:40:51  ( -70.11, 136.04)    2.61                46
 02/26/2019   15:31:04   (  70.02, -56.53) 02/26/2019   15:31:35  (  69.99, -56.48)    3.20                31
 03/01/2019   06:08:24   (  70.84,  85.29) 03/01/2019   06:07:16  (  70.89,  83.24)   74.78                68
 03/01/2019   06:58:05   ( -70.14,-108.13) 03/01/2019   06:57:45  ( -70.12,-108.20)    3.31                20
 03/01/2019   07:47:33   (  69.97,  59.28) 03/01/2019   07:48:28  (  69.95,  59.36)    3.42                55