Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 1 7.  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)
 01/09/2021   06:58:36   (  70.14,  71.89) 01/09/2021   06:57:23  (  70.16,  71.80)    4.12                73
 01/09/2021   07:48:06   ( -70.03,-120.63) 01/09/2021   07:48:04  ( -70.01,-120.66)    1.94                 2
 01/09/2021   08:37:34   (  69.87,  46.79) 01/09/2021   08:38:47  (  69.85,  46.90)    4.86                73
 01/11/2021   23:15:05   (  70.07,-172.32) 01/11/2021   23:14:17  (  70.08,-172.31)    0.86                48
 01/12/2021   00:04:35   ( -69.96,  -4.84) 01/12/2021   00:04:59  ( -69.98,  -4.84)    2.04                24
 01/14/2021   14:41:51   ( -70.98, 137.28) 01/14/2021   14:40:44  ( -71.00, 134.68)   94.20                67
 01/14/2021   15:31:32   (  70.06, -56.46) 01/14/2021   15:31:11  (  70.06, -56.51)    1.87                21
 01/14/2021   16:21:02   ( -69.95, 111.03) 01/14/2021   16:21:53  ( -69.95, 110.97)    2.37                51
 01/17/2021   06:58:34   ( -70.09,-108.17) 01/17/2021   06:57:21  ( -70.08,-108.09)    3.21                73
 01/17/2021   07:48:01   (  69.98,  59.32) 01/17/2021   07:48:05  (  69.98,  59.37)    2.07                 4
 01/17/2021   08:37:33   ( -69.77,-133.34) 01/17/2021   08:38:45  ( -69.77,-132.99)   13.53                72
 01/19/2021   23:15:02   ( -70.07,   7.69) 01/19/2021   23:14:16  ( -70.06,   7.71)    1.52                46
 01/20/2021   00:04:29   (  69.96, 175.17) 01/20/2021   00:05:00  (  69.96, 175.17)    0.96                31