Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 1 21.  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)
 01/22/2021   14:41:50   (  70.81, -42.99) 01/22/2021   14:40:42  (  70.84, -45.08)   76.32                68
 01/22/2021   15:31:32   ( -70.04, 123.50) 01/22/2021   15:31:11  ( -70.06, 123.48)    3.06                21
 01/22/2021   16:20:59   (  69.94, -68.99) 01/22/2021   16:21:55  (  69.95, -69.05)    2.93                56
 01/25/2021   06:58:32   (  70.09,  71.83) 01/25/2021   06:57:23  (  70.09,  71.89)    2.08                69
 01/25/2021   07:48:02   ( -69.98,-120.69) 01/25/2021   07:48:05  ( -69.99,-120.64)    2.10                 3
 01/25/2021   08:37:33   (  69.66,  46.50) 01/25/2021   08:38:44  (  69.62,  47.22)   27.94                71
 01/27/2021   23:15:01   (  70.09,-172.30) 01/27/2021   23:14:18  (  70.08,-172.33)    1.28                43
 01/28/2021   00:04:31   ( -69.98,  -4.82) 01/28/2021   00:05:00  ( -69.98,  -4.85)    1.30                29
 01/30/2021   14:41:50   ( -70.84, 137.04) 01/30/2021   14:40:42  ( -70.90, 134.82)   81.50                68
 01/30/2021   15:31:30   (  70.02, -56.52) 01/30/2021   15:31:11  (  70.02, -56.47)    1.94                19
 01/30/2021   16:21:00   ( -69.92, 110.97) 01/30/2021   16:21:53  ( -69.91, 111.01)    1.65                53
 02/02/2021   06:58:32   ( -70.12,-108.15) 02/02/2021   06:57:22  ( -70.11,-108.14)    0.73                70
 02/02/2021   07:47:59   (  70.01,  59.34) 02/02/2021   07:48:06  (  70.02,  59.31)    1.44                 7
 02/02/2021   08:37:32   ( -69.74,-133.40) 02/02/2021   08:38:44  ( -69.70,-132.89)   20.10                72