Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 4.  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)
 05/06/2020   06:08:07   (  70.89,  85.27) 05/06/2020   06:06:59  (  70.95,  83.17)   76.37                68
 05/06/2020   06:57:49   ( -70.13,-108.23) 05/06/2020   06:57:27  ( -70.12,-108.18)    2.27                22
 05/06/2020   07:47:16   (  70.01,  59.26) 05/06/2020   07:48:11  (  70.00,  59.30)    1.96                55
 05/08/2020   22:24:47   (  70.20,-159.89) 05/08/2020   22:23:40  (  70.21,-159.87)    2.18                67
 05/08/2020   23:14:17   ( -70.09,   7.60) 05/08/2020   23:14:22  ( -70.12,   7.60)    2.72                 5
 05/09/2020   00:03:49   (  69.70, 174.70) 05/09/2020   00:05:00  (  69.69, 175.54)   32.48                71
 05/11/2020   14:41:15   (  70.16, -44.06) 05/11/2020   14:40:34  (  70.17, -44.03)    1.95                41
 05/11/2020   15:30:45   ( -70.06, 123.43) 05/11/2020   15:31:16  ( -70.07, 123.45)    1.45                31
 05/14/2020   06:08:05   ( -70.83, -94.83) 05/14/2020   06:06:56  ( -70.85, -96.66)   66.59                69
 05/14/2020   06:57:43   (  70.11,  71.75) 05/14/2020   06:57:28  (  70.12,  71.82)    2.73                15
 05/14/2020   07:47:13   ( -70.01,-120.75) 05/14/2020   07:48:10  ( -70.02,-120.71)    1.85                57
 05/16/2020   22:24:42   ( -70.24,  20.17) 05/16/2020   22:23:38  ( -70.23,  20.12)    2.32                64
 05/16/2020   23:14:09   (  70.12,-172.36) 05/16/2020   23:14:22  (  70.13,-172.42)    2.76                13
 05/17/2020   00:03:46   ( -69.64,  -5.39) 05/17/2020   00:04:56  ( -69.60,  -4.31)   42.09                70