Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 7.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2023   22:49:49   ( -70.12,  13.97) 12/07/2023   22:50:23  ( -70.12,  13.95)    1.03                34
 12/07/2023   23:40:33   (  69.99,-178.54) 12/07/2023   23:39:50  (  70.02,-178.55)    3.01                43
 12/10/2023   14:16:05   (  70.52, -38.20) 12/10/2023   14:17:15  (  70.41, -37.38)   32.77                70
 12/10/2023   15:06:40   ( -70.06, 129.83) 12/10/2023   15:06:49  ( -70.07, 129.77)    2.52                 9
 12/10/2023   15:57:24   (  69.94, -62.69) 12/10/2023   15:56:16  (  69.97, -62.74)    3.23                68
 12/13/2023   06:32:51   (  70.16,  78.14) 12/13/2023   06:33:45  (  70.16,  78.16)    1.10                54
 12/13/2023   07:23:33   ( -70.07,-114.40) 12/13/2023   07:23:15  ( -70.05,-114.37)    2.25                18
 12/13/2023   08:14:02   (  69.16,  54.23) 12/13/2023   08:12:55  (  69.22,  52.15)   82.50                67
 12/15/2023   22:49:43   (  70.12,-166.03) 12/15/2023   22:50:11  (  70.11,-166.01)    1.00                28
 12/15/2023   23:40:25   ( -70.03,   1.43) 12/15/2023   23:39:41  ( -70.00,   1.46)    2.87                44
 12/18/2023   14:15:55   ( -70.41, 142.00) 12/18/2023   14:17:07  ( -70.32, 142.53)   22.40                72
 12/18/2023   15:06:35   (  70.09, -50.20) 12/18/2023   15:06:36  (  70.09, -50.15)    2.21                 1
 12/18/2023   15:57:17   ( -70.00, 117.26) 12/18/2023   15:56:06  ( -69.99, 117.34)    3.13                71