Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 1 1.  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)
 01/01/2020   23:15:07   ( -70.09,   7.70) 01/01/2020   23:14:18  ( -70.10,   7.70)    0.96                49
 01/02/2020   00:04:34   (  69.98, 175.19) 01/02/2020   00:05:02  (  69.98, 175.18)    0.78                28
 01/04/2020   14:41:51   (  70.97, -42.74) 01/04/2020   14:40:45  (  71.02, -45.32)   93.69                66
 01/04/2020   15:31:36   ( -70.04, 123.51) 01/04/2020   15:31:10  ( -70.03, 123.58)    2.58                26
 01/04/2020   16:21:03   (  69.93, -69.00) 01/04/2020   16:21:54  (  69.92, -68.95)    1.83                51
 01/07/2020   06:58:33   (  70.14,  71.91) 01/07/2020   06:57:20  (  70.12,  71.90)    2.62                73
 01/07/2020   07:48:03   ( -70.04,-120.60) 01/07/2020   07:48:02  ( -70.02,-120.63)    2.39                 1
 01/07/2020   08:37:32   (  69.82,  46.73) 01/07/2020   08:38:44  (  69.81,  46.99)   10.14                72
 01/09/2020   23:15:02   (  70.08,-172.29) 01/09/2020   23:14:12  (  70.06,-172.24)    3.02                50
 01/10/2020   00:04:32   ( -69.98,  -4.80) 01/10/2020   00:04:54  ( -69.96,  -4.76)    2.73                22
 01/12/2020   15:31:30   (  70.07, -56.42) 01/12/2020   15:31:05  (  70.06, -56.46)    1.68                25
 01/12/2020   16:21:00   ( -69.97, 111.07) 01/12/2020   16:21:47  ( -69.96, 111.02)    2.67                47