Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 6.  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,  13.96) 12/07/2023   22:50:23  ( -70.12,  13.94)    0.72                34
 12/07/2023   23:40:33   (  70.00,-178.55) 12/07/2023   23:39:50  (  70.02,-178.56)    1.87                43
 12/10/2023   14:16:04   (  70.47, -38.13) 12/10/2023   14:17:15  (  70.40, -37.40)   28.57                71
 12/10/2023   15:06:40   ( -70.07, 129.81) 12/10/2023   15:06:49  ( -70.06, 129.75)    2.41                 9
 12/10/2023   15:57:24   (  69.95, -62.70) 12/10/2023   15:56:16  (  69.96, -62.75)    1.97                68
 12/13/2023   06:32:50   (  70.12,  78.20) 12/13/2023   06:33:45  (  70.14,  78.13)    3.48                55
 12/13/2023   07:23:32   ( -70.03,-114.35) 12/13/2023   07:23:15  ( -70.03,-114.40)    1.97                17
 12/13/2023   08:14:02   (  69.17,  54.21) 12/13/2023   08:12:55  (  69.20,  52.12)   82.63                67
 12/15/2023   22:49:42   (  70.09,-165.98) 12/15/2023   22:50:10  (  70.13,-166.00)    3.47                28
 12/15/2023   23:40:24   ( -70.00,   1.48) 12/15/2023   23:39:40  ( -70.02,   1.48)    1.89                44
 12/18/2023   14:15:54   ( -70.39, 142.03) 12/18/2023   14:17:06  ( -70.30, 142.52)   20.84                72
 12/18/2023   15:06:34   (  70.08, -50.18) 12/18/2023   15:06:35  (  70.08, -50.16)    0.73                 1
 12/18/2023   15:57:16   ( -69.98, 117.29) 12/18/2023   15:56:05  ( -69.97, 117.32)    1.63                71