Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 10 31.  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)
 10/31/2023   14:16:10   ( -70.20, 142.32) 10/31/2023   14:17:20  ( -70.21, 142.33)    1.72                70
 10/31/2023   15:06:54   (  70.07, -50.18) 10/31/2023   15:06:48  (  70.06, -50.25)    2.92                 6
 10/31/2023   15:57:32   ( -69.78, 117.57) 10/31/2023   15:56:20  ( -69.83, 117.07)   20.26                72
 11/03/2023   06:33:04   ( -70.14,-101.83) 11/03/2023   06:33:46  ( -70.16,-101.85)    1.99                42
 11/03/2023   07:23:49   (  70.07,  65.58) 11/03/2023   07:23:13  (  70.06,  65.64)    2.83                36
 11/05/2023   21:59:26   (  70.66,-154.20) 11/05/2023   22:00:36  (  70.56,-153.00)   45.50                70
 11/05/2023   22:49:59   ( -70.10,  14.00) 11/05/2023   22:50:12  ( -70.12,  13.99)    2.66                13
 11/05/2023   23:40:44   (  70.03,-178.59) 11/05/2023   23:39:39  (  70.01,-178.52)    3.07                65
 11/08/2023   14:16:12   (  70.15, -37.64) 11/08/2023   14:17:08  (  70.16, -37.69)    2.34                56
 11/08/2023   15:06:54   ( -70.06, 129.81) 11/08/2023   15:06:38  ( -70.05, 129.78)    2.42                16
 11/08/2023   15:57:25   (  69.25, -61.69) 11/08/2023   15:56:17  (  69.27, -63.63)   76.43                68
 11/11/2023   06:33:07   (  70.13,  78.16) 11/11/2023   06:33:32  (  70.15,  78.20)    2.71                25
 11/11/2023   07:23:49   ( -70.04,-114.38) 11/11/2023   07:23:02  ( -70.04,-114.32)    2.36                47
 11/13/2023   21:59:17   ( -70.23,  26.46) 11/13/2023   22:00:28  ( -70.22,  26.56)    4.14                71
 11/13/2023   22:50:00   (  70.07,-165.98) 11/13/2023   22:49:56  (  70.05,-166.04)    2.93                 4
 11/13/2023   23:40:40   ( -69.87,   1.64) 11/13/2023   23:39:27  ( -69.89,   1.37)   10.47                73