Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 13.  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)
 03/13/2020   23:14:45   (  70.09,-172.34) 03/13/2020   23:14:21  (  70.11,-172.39)    3.10                24
 03/14/2020   00:04:15   ( -69.98,  -4.87) 03/14/2020   00:05:02  ( -69.98,  -4.87)    0.40                47
 03/16/2020   14:41:44   ( -70.24, 136.10) 03/16/2020   14:40:32  ( -70.25, 135.86)    9.30                72
 03/16/2020   15:31:13   (  70.03, -56.56) 03/16/2020   15:31:14  (  70.02, -56.48)    2.93                 1
 03/16/2020   16:20:43   ( -69.92, 110.92) 03/16/2020   16:21:56  ( -69.94, 110.96)    2.98                73
 03/19/2020   06:58:14   ( -70.12,-108.19) 03/19/2020   06:57:25  ( -70.10,-108.15)    2.53                49
 03/19/2020   07:47:41   (  70.01,  59.30) 03/19/2020   07:48:10  (  70.04,  59.26)    3.19                29
 03/21/2020   22:25:00   (  70.86,-158.84) 03/21/2020   22:23:52  (  70.89,-160.95)   76.87                68
 03/21/2020   23:14:42   ( -70.10,   7.67) 03/21/2020   23:14:21  ( -70.12,   7.60)    2.76                21
 03/22/2020   00:04:09   (  69.99, 175.15) 03/22/2020   00:05:05  (  70.00, 175.09)    2.54                56
 03/24/2020   14:41:40   (  70.18, -43.97) 03/24/2020   14:40:34  (  70.17, -44.03)    2.60                66
 03/24/2020   15:31:11   ( -70.03, 123.44) 03/24/2020   15:31:15  ( -70.03, 123.51)    2.65                 4
 03/24/2020   16:20:43   (  69.63, -69.46) 03/24/2020   16:21:54  (  69.65, -68.62)   32.67                71