Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 5 12.  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)
 05/12/2019   06:08:17   ( -70.87, -94.63) 05/12/2019   06:07:09  ( -70.94, -96.82)   80.33                68
 05/12/2019   06:57:56   (  70.10,  71.88) 05/12/2019   06:57:39  (  70.10,  71.84)    1.76                17
 05/12/2019   07:47:26   ( -70.00,-120.63) 05/12/2019   07:48:21  ( -70.00,-120.70)    2.66                55
 05/14/2019   22:25:01   ( -70.18,  20.23) 05/14/2019   22:23:51  ( -70.17,  20.18)    2.05                70
 05/14/2019   23:14:28   (  70.07,-172.29) 05/14/2019   23:14:35  (  70.06,-172.34)    2.20                 7
 05/15/2019   00:04:01   ( -69.81,  -5.02) 05/15/2019   00:05:13  ( -69.76,  -4.56)   18.89                72
 05/17/2019   14:41:33   ( -70.11, 136.00) 05/17/2019   14:40:46  ( -70.14, 136.01)    2.81                47
 05/17/2019   15:31:00   (  70.00, -56.52) 05/17/2019   15:31:29  (  69.98, -56.44)    3.57                29
 05/20/2019   06:08:22   (  70.91,  85.43) 05/20/2019   06:07:15  (  71.00,  83.07)   86.09                67
 05/20/2019   06:58:05   ( -70.11,-108.14) 05/20/2019   06:57:42  ( -70.10,-108.18)    1.52                23
 05/20/2019   07:47:32   (  69.99,  59.34) 05/20/2019   07:48:26  (  70.00,  59.29)    2.37                54
 05/22/2019   22:25:08   (  70.15,-159.84) 05/22/2019   22:23:56  (  70.18,-159.84)    3.55                72
 05/22/2019   23:14:38   ( -70.06,   7.66) 05/22/2019   23:14:38  ( -70.07,   7.64)    2.12                 0
 05/23/2019   00:04:07   (  69.83, 174.99) 05/23/2019   00:05:19  (  69.81, 175.34)   13.57                72
 05/25/2019   14:41:41   (  70.11, -44.02) 05/25/2019   14:40:51  (  70.10, -43.95)    2.71                50
 05/25/2019   15:31:11   ( -70.02, 123.48) 05/25/2019   15:31:34  ( -70.04, 123.45)    3.27                23