Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 11 16.  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)
 11/16/2020   23:15:12   ( -70.07,   7.69) 11/16/2020   23:14:27  ( -70.08,   7.73)    2.27                45
 11/17/2020   00:04:39   (  69.97, 175.19) 11/17/2020   00:05:11  (  69.95, 175.23)    2.59                32
 11/19/2020   14:42:00   (  70.84, -42.94) 11/19/2020   14:40:52  (  70.87, -45.07)   77.91                68
 11/19/2020   15:31:42   ( -70.07, 123.56) 11/19/2020   15:31:20  ( -70.05, 123.54)    1.51                22
 11/19/2020   16:21:10   (  69.91, -69.02) 11/19/2020   16:22:04  (  69.93, -68.96)    3.12                54
 11/22/2020   06:58:42   (  70.11,  71.87) 11/22/2020   06:57:30  (  70.11,  71.91)    1.45                72
 11/22/2020   07:48:12   ( -70.01,-120.65) 11/22/2020   07:48:12  ( -70.03,-120.65)    2.95                 0
 11/22/2020   08:37:41   (  69.79,  46.69) 11/22/2020   08:38:53  (  69.75,  47.08)   15.48                72
 11/24/2020   23:15:12   (  70.10,-172.27) 11/24/2020   23:14:23  (  70.10,-172.29)    0.67                49
 11/25/2020   00:04:42   ( -69.99,  -4.79) 11/25/2020   00:05:05  ( -70.01,  -4.84)    3.00                23
 11/27/2020   15:31:42   (  70.08, -56.43) 11/27/2020   15:31:16  (  70.08, -56.49)    2.63                26
 11/27/2020   16:21:13   ( -69.92, 110.99) 11/27/2020   16:21:57  ( -69.94, 111.04)    2.96                44
 11/30/2020   06:58:42   ( -70.33,-107.83) 11/30/2020   06:57:29  ( -70.39,-108.51)   26.38                73
 11/30/2020   07:48:13   (  70.00,  59.34) 11/30/2020   07:48:08  (  70.02,  59.38)    2.91                 5
 11/30/2020   08:37:43   ( -69.90,-133.17) 11/30/2020   08:38:50  ( -69.93,-133.17)    3.30                67