Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 14.  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)
 03/14/2019   14:41:31   ( -70.16, 136.02) 03/14/2019   14:40:42  ( -70.13, 136.03)    2.95                49
 03/14/2019   15:30:58   (  70.05, -56.48) 03/14/2019   15:31:27  (  70.06, -56.54)    2.23                29
 03/17/2019   06:08:15   (  70.98,  85.49) 03/17/2019   06:07:08  (  71.02,  83.06)   88.12                67
 03/17/2019   06:57:59   ( -70.10,-108.18) 03/17/2019   06:57:34  ( -70.10,-108.14)    1.39                25
 03/17/2019   07:47:26   (  69.99,  59.31) 03/17/2019   07:48:18  (  69.98,  59.35)    2.34                52
 03/19/2019   22:24:57   (  70.20,-159.79) 03/19/2019   22:23:46  (  70.21,-159.85)    2.57                71
 03/19/2019   23:14:27   ( -70.10,   7.69) 03/19/2019   23:14:27  ( -70.08,   7.67)    2.19                 0
 03/20/2019   00:03:57   (  69.82, 174.95) 03/20/2019   00:05:09  (  69.85, 175.33)   14.76                72
 03/22/2019   14:41:26   (  70.14, -44.00) 03/22/2019   14:40:38  (  70.14, -43.96)    1.55                48
 03/22/2019   15:30:56   ( -70.03, 123.48) 03/22/2019   15:31:20  ( -70.05, 123.49)    2.36                24
 03/25/2019   06:57:54   (  70.12,  71.86) 03/25/2019   06:57:31  (  70.12,  71.84)    0.67                23
 03/25/2019   07:47:24   ( -70.02,-120.65) 03/25/2019   07:48:13  ( -70.03,-120.70)    2.30                49
 03/27/2019   22:24:54   ( -70.22,  20.24) 03/27/2019   22:23:40  ( -70.27,  20.08)    7.74                74
 03/27/2019   23:14:21   (  70.11,-172.28) 03/27/2019   23:14:23  (  70.11,-172.36)    2.85                 2
 03/28/2019   00:03:52   ( -69.95,  -4.87) 03/28/2019   00:05:04  ( -69.96,  -4.82)    2.35                72