Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 6 14.  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   (  70.10,  71.89) 06/15/2020   06:57:20  (  70.12,  71.88)    1.99                42
 06/15/2020   07:47:32   ( -69.99,-120.64) 06/15/2020   07:48:01  ( -69.98,-120.59)    2.17                29
 06/17/2020   22:24:52   ( -70.94,  21.38) 06/17/2020   22:23:45  ( -71.00,  18.93)   89.08                67
 06/17/2020   23:14:33   (  70.08,-172.27) 06/17/2020   23:14:14  (  70.10,-172.32)    3.23                19
 06/18/2020   00:04:03   ( -69.97,  -4.79) 06/18/2020   00:04:55  ( -69.96,  -4.79)    1.12                52
 06/20/2020   14:41:37   ( -70.16, 136.08) 06/20/2020   14:40:24  ( -70.20, 136.00)    5.42                73
 06/20/2020   15:31:04   (  70.05, -56.43) 06/20/2020   15:31:07  (  70.03, -56.44)    1.99                 3
 06/20/2020   16:20:35   ( -69.89, 110.98) 06/20/2020   16:21:48  ( -69.89, 111.10)    4.59                73
 06/23/2020   06:58:07   ( -70.13,-108.08) 06/23/2020   06:57:16  ( -70.13,-108.12)    1.33                51
 06/23/2020   07:47:34   (  70.02,  59.41) 06/23/2020   07:48:00  (  70.02,  59.36)    1.82                26
 06/23/2020   08:37:20   ( -69.03,-134.29) 06/23/2020   08:38:26  ( -69.08,-131.96)   92.86                66
 06/25/2020   23:14:38   ( -70.10,   7.75) 06/25/2020   23:14:10  ( -70.12,   7.68)    3.54                28
 06/26/2020   00:04:05   (  69.98, 175.24) 06/26/2020   00:04:53  (  69.96, 175.23)    3.27                48