Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 3.  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)
 05/03/2020   14:41:21   ( -70.19, 135.98) 05/03/2020   14:40:34  ( -70.19, 135.93)    1.86                47
 05/03/2020   15:30:48   (  70.08, -56.53) 05/03/2020   15:31:18  (  70.08, -56.58)    2.02                30
 05/06/2020   06:08:07   (  70.92,  85.32) 05/06/2020   06:06:59  (  70.92,  83.22)   76.16                68
 05/06/2020   06:57:49   ( -70.16,-108.18) 05/06/2020   06:57:28  ( -70.14,-108.21)    2.36                21
 05/06/2020   07:47:16   (  70.05,  59.30) 05/06/2020   07:48:12  (  70.03,  59.26)    2.24                56
 05/08/2020   22:24:47   (  70.23,-159.84) 05/08/2020   22:23:41  (  70.24,-159.91)    3.15                66
 05/08/2020   23:14:18   ( -70.07,   7.57) 05/08/2020   23:14:22  ( -70.09,   7.64)    3.22                 4
 05/09/2020   00:03:50   (  69.68, 174.67) 05/09/2020   00:05:00  (  69.66, 175.58)   35.26                70
 05/11/2020   14:41:14   (  70.19, -44.02) 05/11/2020   14:40:34  (  70.20, -44.07)    2.18                40
 05/11/2020   15:30:44   ( -70.09, 123.48) 05/11/2020   15:31:16  ( -70.09, 123.41)    2.71                32
 05/14/2020   06:08:05   ( -70.81, -94.86) 05/14/2020   06:06:56  ( -70.88, -96.70)   67.67                69
 05/14/2020   06:57:42   (  70.15,  71.80) 05/14/2020   06:57:28  (  70.15,  71.77)    1.45                14
 05/14/2020   07:47:12   ( -70.05,-120.70) 05/14/2020   07:48:10  ( -70.05,-120.75)    1.84                58
 05/16/2020   22:24:43   ( -70.22,  20.14) 05/16/2020   22:23:38  ( -70.21,  20.15)    1.46                65
 05/16/2020   23:14:10   (  70.10,-172.38) 05/16/2020   23:14:22  (  70.11,-172.39)    1.50                12
 05/17/2020   00:03:47   ( -69.62,  -5.42) 05/17/2020   00:04:57  ( -69.63,  -4.36)   40.97                70