Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 2 5.  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)
 02/07/2021   14:41:50   (  70.74, -43.12) 02/07/2021   14:40:41  (  70.76, -44.96)   67.34                69
 02/07/2021   15:31:31   ( -70.02, 123.46) 02/07/2021   15:31:11  ( -70.03, 123.51)    2.68                20
 02/07/2021   16:20:58   (  69.92, -69.04) 02/07/2021   16:21:55  (  69.92, -69.01)    1.23                57
 02/10/2021   06:58:29   (  70.10,  71.83) 02/10/2021   06:57:23  (  70.13,  71.82)    2.58                66
 02/10/2021   07:47:59   ( -69.99,-120.70) 02/10/2021   07:48:04  ( -69.97,-120.63)    3.20                 5
 02/10/2021   08:37:32   (  69.56,  46.35) 02/10/2021   08:38:42  (  69.55,  47.31)   37.40                70
 02/12/2021   23:14:58   (  70.07,-172.34) 02/12/2021   23:14:17  (  70.07,-172.32)    0.65                41
 02/13/2021   00:04:28   ( -69.96,  -4.86) 02/13/2021   00:04:59  ( -69.97,  -4.85)    1.20                31
 02/15/2021   14:41:49   ( -70.74, 136.88) 02/15/2021   14:40:40  ( -70.80, 134.98)   70.17                69
 02/15/2021   15:31:27   (  70.03, -56.51) 02/15/2021   15:31:11  (  70.02, -56.47)    2.01                16
 02/15/2021   16:20:57   ( -69.93, 110.97) 02/15/2021   16:21:53  ( -69.92, 111.00)    1.40                56
 02/18/2021   06:58:29   ( -70.11,-108.18) 02/18/2021   06:57:22  ( -70.13,-108.17)    2.26                67
 02/18/2021   07:47:56   (  69.99,  59.31) 02/18/2021   07:48:05  (  69.97,  59.37)    3.32                 9
 02/18/2021   08:37:31   ( -69.61,-133.58) 02/18/2021   08:38:42  ( -69.60,-132.77)   31.61                71