Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 4 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)
 04/28/2020   06:57:53   (  70.11,  71.76) 04/28/2020   06:57:29  (  70.10,  71.84)    3.06                24
 04/28/2020   07:47:23   ( -70.01,-120.75) 04/28/2020   07:48:11  ( -70.01,-120.71)    1.88                48
 04/30/2020   22:24:54   ( -70.20,  20.13) 04/30/2020   22:23:40  ( -70.21,  20.13)    0.78                74
 04/30/2020   23:14:21   (  70.09,-172.39) 04/30/2020   23:14:24  (  70.10,-172.39)    1.36                 3
 05/01/2020   00:03:52   ( -69.93,  -4.98) 05/01/2020   00:05:05  ( -69.95,  -4.85)    5.60                73
 05/03/2020   14:41:21   ( -70.18, 135.97) 05/03/2020   14:40:33  ( -70.15, 135.99)    2.94                48
 05/03/2020   15:30:48   (  70.06, -56.55) 05/03/2020   15:31:17  (  70.05, -56.54)    1.58                29
 05/06/2020   06:08:07   (  70.91,  85.30) 05/06/2020   06:06:59  (  70.94,  83.18)   76.87                68
 05/06/2020   06:57:49   ( -70.15,-108.19) 05/06/2020   06:57:28  ( -70.15,-108.24)    1.76                21
 05/06/2020   07:47:16   (  70.03,  59.28) 05/06/2020   07:48:12  (  70.05,  59.23)    3.08                56
 05/08/2020   22:24:47   (  70.22,-159.85) 05/08/2020   22:23:40  (  70.21,-159.87)    0.74                67
 05/08/2020   23:14:17   ( -70.12,   7.64) 05/08/2020   23:14:22  ( -70.11,   7.61)    2.14                 5
 05/09/2020   00:03:49   (  69.72, 174.73) 05/09/2020   00:05:00  (  69.69, 175.55)   31.68                71