Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 2 8.  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)
 02/10/2021   06:58:30   (  70.08,  71.80) 02/10/2021   06:57:23  (  70.09,  71.88)    3.04                67
 02/10/2021   07:47:59   ( -70.02,-120.65) 02/10/2021   07:48:05  ( -70.00,-120.66)    3.01                 6
 02/10/2021   08:37:33   (  69.54,  46.32) 02/10/2021   08:38:43  (  69.57,  47.28)   37.60                70
 02/12/2021   23:14:57   (  70.10,-172.29) 02/12/2021   23:14:17  (  70.09,-172.35)    2.65                40
 02/13/2021   00:04:27   ( -69.99,  -4.82) 02/13/2021   00:04:59  ( -69.99,  -4.89)    2.46                32
 02/15/2021   14:41:48   ( -70.77, 136.92) 02/15/2021   14:40:40  ( -70.82, 134.94)   72.64                68
 02/15/2021   15:31:26   (  70.06, -56.47) 02/15/2021   15:31:11  (  70.04, -56.50)    3.12                15
 02/15/2021   16:20:56   ( -69.95, 111.01) 02/15/2021   16:21:53  ( -69.94, 110.97)    2.35                57
 02/18/2021   06:58:28   ( -70.13,-108.15) 02/18/2021   06:57:22  ( -70.14,-108.20)    2.69                66
 02/18/2021   07:47:55   (  70.02,  59.35) 02/18/2021   07:48:05  (  69.99,  59.35)    3.59                10
 02/18/2021   08:37:31   ( -69.58,-133.62) 02/18/2021   08:38:42  ( -69.62,-132.79)   32.53                71
 02/20/2021   23:14:57   ( -70.08,   7.67) 02/20/2021   23:14:16  ( -70.09,   7.65)    1.52                41
 02/21/2021   00:04:24   (  69.97, 175.16) 02/21/2021   00:05:00  (  69.99, 175.11)    2.91                36