Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 20.  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)
 05/22/2020   06:08:05   (  71.07,  85.71) 05/22/2020   06:06:59  (  71.08,  82.97)   98.87                66
 05/22/2020   06:57:51   ( -70.09,-108.13) 05/22/2020   06:57:24  ( -70.09,-108.12)    0.69                27
 05/22/2020   07:47:18   (  69.98,  59.36) 05/22/2020   07:48:08  (  69.98,  59.36)    0.72                50
 05/24/2020   22:24:50   (  70.23,-159.68) 05/24/2020   22:23:38  (  70.25,-159.91)    9.06                72
 05/24/2020   23:14:21   ( -70.07,   7.73) 05/24/2020   23:14:18  ( -70.05,   7.72)    2.78                 3
 05/25/2020   00:03:49   (  69.91, 175.14) 05/25/2020   00:05:01  (  69.89, 175.27)    5.46                72
 05/27/2020   14:41:22   (  70.10, -43.99) 05/27/2020   14:40:30  (  70.11, -43.92)    3.27                52
 05/27/2020   15:30:52   ( -70.00, 123.50) 05/27/2020   15:31:12  ( -70.01, 123.55)    2.61                20
 05/27/2020   16:20:34   (  69.05, -70.13) 05/27/2020   16:21:40  (  69.05, -67.75)   94.46                66
 05/30/2020   06:57:52   (  70.07,  71.85) 05/30/2020   06:57:24  (  70.08,  71.91)    2.51                28
 05/30/2020   07:47:22   ( -69.97,-120.66) 05/30/2020   07:48:06  ( -69.97,-120.62)    1.57                44
 06/01/2020   22:24:50   ( -70.37,  20.53) 06/01/2020   22:23:38  ( -70.41,  19.86)   25.16                72
 06/01/2020   23:14:21   (  70.03,-172.31) 06/01/2020   23:14:17  (  70.04,-172.27)    2.04                 4
 06/02/2020   00:03:51   ( -69.94,  -4.82) 06/02/2020   00:04:59  ( -69.94,  -4.79)    0.97                68