Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 7 18.  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)
 07/19/2020   22:25:05   ( -70.96,  21.40) 07/19/2020   22:23:58  ( -71.00,  18.89)   90.94                67
 07/19/2020   23:14:47   (  70.04,-172.32) 07/19/2020   23:14:26  (  70.04,-172.25)    2.73                21
 07/20/2020   00:04:16   ( -69.98,  -4.77) 07/20/2020   00:05:08  ( -69.96,  -4.81)    2.67                52
 07/22/2020   14:41:50   ( -70.14, 136.05) 07/22/2020   14:40:38  ( -70.13, 136.07)    1.59                72
 07/22/2020   15:31:17   (  70.03, -56.45) 07/22/2020   15:31:23  (  70.05, -56.51)    3.11                 6
 07/22/2020   16:20:49   ( -69.82, 110.88) 07/22/2020   16:22:02  ( -69.81, 111.17)   11.37                73
 07/25/2020   06:58:21   ( -70.08,-108.15) 07/25/2020   06:57:34  ( -70.09,-108.10)    1.90                47
 07/25/2020   07:47:48   (  69.97,  59.35) 07/25/2020   07:48:18  (  69.96,  59.40)    2.24                30
 07/27/2020   22:25:09   (  70.78,-158.86) 07/27/2020   22:24:01  (  70.87,-160.90)   75.17                68
 07/27/2020   23:14:50   ( -70.08,   7.73) 07/27/2020   23:14:29  ( -70.05,   7.73)    3.63                21
 07/28/2020   00:04:17   (  69.97, 175.22) 07/28/2020   00:05:14  (  69.98, 175.14)    3.33                57
 07/30/2020   14:41:51   (  70.12, -43.97) 07/30/2020   14:40:43  (  70.10, -43.90)    3.10                68
 07/30/2020   15:31:21   ( -70.02, 123.52) 07/30/2020   15:31:25  ( -70.01, 123.56)    1.72                 4
 07/30/2020   16:20:53   (  69.63, -69.37) 07/30/2020   16:22:04  (  69.63, -68.57)   31.18                71