Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 6 15.  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)
 06/15/2020   06:58:02   (  70.11,  71.90) 06/15/2020   06:57:20  (  70.11,  71.89)    0.87                42
 06/15/2020   07:47:32   ( -70.00,-120.62) 06/15/2020   07:48:02  ( -70.02,-120.66)    2.54                30
 06/17/2020   22:24:52   ( -70.95,  21.39) 06/17/2020   22:23:45  ( -70.99,  18.94)   88.93                67
 06/17/2020   23:14:33   (  70.09,-172.25) 06/17/2020   23:14:14  (  70.09,-172.30)    1.92                19
 06/18/2020   00:04:03   ( -69.98,  -4.77) 06/18/2020   00:04:56  ( -70.00,  -4.85)    3.58                53
 06/20/2020   14:41:36   ( -70.17, 136.10) 06/20/2020   14:40:23  ( -70.18, 136.02)    3.41                73
 06/20/2020   15:31:04   (  70.01, -56.49) 06/20/2020   15:31:06  (  70.02, -56.42)    2.83                 2
 06/20/2020   16:20:34   ( -69.90, 111.00) 06/20/2020   16:21:47  ( -69.88, 111.12)    5.45                73
 06/23/2020   06:58:07   ( -70.14,-108.06) 06/23/2020   06:57:16  ( -70.12,-108.10)    3.23                51
 06/23/2020   07:47:35   (  69.98,  59.35) 06/23/2020   07:48:00  (  70.00,  59.38)    2.96                25
 06/23/2020   08:37:20   ( -69.05,-134.27) 06/23/2020   08:38:26  ( -69.06,-131.94)   92.78                66
 06/25/2020   23:14:38   ( -70.11,   7.77) 06/25/2020   23:14:10  ( -70.10,   7.70)    2.91                28
 06/26/2020   00:04:06   (  69.95, 175.18) 06/26/2020   00:04:53  (  69.94, 175.26)    3.00                47
 06/28/2020   14:41:37   (  70.29, -43.73) 06/28/2020   14:40:25  (  70.34, -44.21)   19.24                72
 06/28/2020   15:31:10   ( -70.02, 123.52) 06/28/2020   15:31:03  ( -70.04, 123.58)    2.49                 7
 06/28/2020   16:20:37   (  69.91, -68.99) 06/28/2020   16:21:47  (  69.93, -68.95)    2.42                70