Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 17.  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)
 09/19/2020   06:58:39   (  70.11,  71.88) 09/19/2020   06:57:58  (  70.09,  71.86)    2.92                41
 09/19/2020   07:48:09   ( -70.00,-120.64) 09/19/2020   07:48:40  ( -69.99,-120.67)    2.29                31
 09/21/2020   22:25:31   ( -70.81,  21.15) 09/21/2020   22:24:23  ( -70.87,  19.06)   76.62                68
 09/21/2020   23:15:10   (  70.05,-172.33) 09/21/2020   23:14:53  (  70.04,-172.29)    2.07                17
 09/22/2020   00:04:40   ( -69.95,  -4.84) 09/22/2020   00:05:35  ( -69.94,  -4.82)    1.45                55
 09/24/2020   14:42:13   ( -70.15, 136.05) 09/24/2020   14:41:05  ( -70.14, 136.00)    2.11                68
 09/24/2020   15:31:40   (  70.04, -56.46) 09/24/2020   15:31:49  (  70.04, -56.53)    2.52                 9
 09/24/2020   16:21:15   ( -69.67, 110.65) 09/24/2020   16:22:26  ( -69.67, 111.34)   26.70                71
 09/27/2020   06:58:43   ( -70.09,-108.16) 09/27/2020   06:57:59  ( -70.10,-108.15)    0.75                44
 09/27/2020   07:48:10   (  69.98,  59.32) 09/27/2020   07:48:43  (  70.00,  59.31)    2.36                33
 09/29/2020   22:25:33   (  70.72,-158.98) 09/29/2020   22:24:24  (  70.79,-160.80)   67.09                69
 09/29/2020   23:15:13   ( -70.08,   7.70) 09/29/2020   23:14:54  ( -70.05,   7.69)    3.19                19
 09/30/2020   00:04:40   (  69.96, 175.18) 09/30/2020   00:05:38  (  69.95, 175.15)    1.65                58