Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 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)
 09/08/2023   05:42:58   ( -70.60, -89.87) 09/08/2023   05:44:09  ( -70.50, -89.01)   33.51                71
 09/08/2023   06:33:36   (  70.18,  78.11) 09/08/2023   06:33:40  (  70.18,  78.17)    2.15                 4
 09/08/2023   07:24:18   ( -70.09,-114.43) 09/08/2023   07:23:10  ( -70.07,-114.36)    3.13                68
 09/10/2023   21:59:44   ( -70.24,  26.49) 09/10/2023   22:00:45  ( -70.21,  26.44)    3.15                61
 09/10/2023   22:50:28   (  70.13,-166.04) 09/10/2023   22:50:12  (  70.11,-166.06)    2.52                16
 09/10/2023   23:41:00   ( -69.51,   2.20) 09/10/2023   23:39:50  ( -69.56,   0.81)   54.53                70
 09/13/2023   14:16:36   ( -70.19, 142.33) 09/13/2023   14:17:16  ( -70.18, 142.26)    3.21                40
 09/13/2023   15:07:20   (  70.09, -50.21) 09/13/2023   15:06:43  (  70.07, -50.24)    3.14                37
 09/16/2023   05:42:57   (  70.89,  89.67) 09/16/2023   05:44:05  (  70.82,  91.47)   66.22                68
 09/16/2023   06:33:27   ( -70.16,-101.84) 09/16/2023   06:33:45  ( -70.17,-101.87)    1.23                18
 09/16/2023   07:24:11   (  70.06,  65.62) 09/16/2023   07:23:12  (  70.05,  65.62)    0.68                59
 09/18/2023   21:59:37   (  70.24,-153.51) 09/18/2023   22:00:45  (  70.23,-153.52)    0.88                68
 09/18/2023   22:50:19   ( -70.13,  13.98) 09/18/2023   22:50:15  ( -70.13,  13.97)    0.38                 4
 09/18/2023   23:40:58   (  69.77,-178.17) 09/18/2023   23:39:46  (  69.80,-178.86)   26.56                72