Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 3 26.  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)
 03/26/2016   21:35:27   ( -71.00,  33.73) 03/26/2016   21:34:19  ( -71.04,  31.64)   75.75                68
 03/26/2016   22:25:06   (  70.25,-159.75) 03/26/2016   22:24:50  (  70.26,-159.78)    1.60                16
 03/26/2016   23:14:36   ( -70.13,   7.71) 03/26/2016   23:15:32  ( -70.16,   7.70)    3.24                56
 03/29/2016   13:52:07   ( -70.30, 148.55) 03/29/2016   13:51:01  ( -70.29, 148.63)    2.79                66
 03/29/2016   14:41:34   (  70.19, -43.95) 03/29/2016   14:41:45  (  70.19, -43.91)    1.65                11
 03/29/2016   15:31:10   ( -69.75, 123.06) 03/29/2016   15:32:20  ( -69.72, 124.12)   41.17                70
 04/01/2016   06:08:33   ( -70.29, -95.58) 04/01/2016   06:07:56  ( -70.27, -95.58)    1.45                37
 04/01/2016   06:58:00   (  70.18,  71.92) 04/01/2016   06:58:40  (  70.18,  71.88)    1.59                40
 04/03/2016   21:35:27   (  70.54,-146.95) 04/03/2016   21:34:15  (  70.63,-147.71)   29.81                72
 04/03/2016   22:25:00   ( -70.27,  20.28) 04/03/2016   22:24:52  ( -70.26,  20.20)    2.96                 8
 04/03/2016   23:14:28   (  70.10,-172.31) 04/03/2016   23:15:35  (  70.11,-172.26)    2.19                67
 04/06/2016   13:51:58   (  70.29, -31.44) 04/06/2016   13:51:05  (  70.31, -31.43)    2.74                53
 04/06/2016   14:41:28   ( -70.18, 136.04) 04/06/2016   14:41:47  ( -70.20, 136.06)    2.22                19